// Numbas version: exam_results_page_options {"name": "Percentage Increases and Decreases MfB Q2", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "question_groups": [{"pickingStrategy": "all-ordered", "questions": [{"preamble": {"css": "", "js": ""}, "statement": "

Here you need to work out percentage increases and decreases.

\n

If you get stuck you can select \"Show Steps\" which will take you through how to answer the question.

", "name": "Percentage Increases and Decreases MfB Q2", "metadata": {"licence": "Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International", "description": "

Non-calculator percentage increase and decrease calculations.

"}, "extensions": [], "variable_groups": [], "tags": [], "variablesTest": {"condition": "", "maxRuns": 100}, "advice": "", "rulesets": {}, "functions": {}, "parts": [{"showCorrectAnswer": true, "stepsPenalty": 0, "marks": "2", "minValue": "(1+b/100)*a", "notationStyles": ["plain", "en", "si-en"], "steps": [{"showCorrectAnswer": true, "marks": 1, "minValue": "(b/100)*a", "notationStyles": ["plain", "en", "si-en"], "variableReplacementStrategy": "originalfirst", "type": "numberentry", "correctAnswerFraction": false, "correctAnswerStyle": "plain", "scripts": {}, "maxValue": "(b/100)*a", "showFeedbackIcon": true, "mustBeReducedPC": 0, "prompt": "

Work out $\\var{b}\\text{%}$ of $\\var{a}$.

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Add your previous answer to $\\var{a}$.

", "allowFractions": false, "mustBeReduced": false, "variableReplacements": []}], "variableReplacementStrategy": "originalfirst", "type": "numberentry", "correctAnswerFraction": false, "correctAnswerStyle": "plain", "scripts": {}, "maxValue": "(1+b/100)*a", "showFeedbackIcon": true, "mustBeReducedPC": 0, "prompt": "

Increase $\\var{a}$ by $\\var{b}\\text{%}$.

", "allowFractions": false, "mustBeReduced": false, "variableReplacements": []}, {"showCorrectAnswer": true, "stepsPenalty": 0, "marks": "2", "minValue": "(1+d/100)*c", "notationStyles": ["plain", "en", "si-en"], "steps": [{"showCorrectAnswer": true, "marks": 1, "minValue": "(d/100)*c", "notationStyles": ["plain", "en", "si-en"], "variableReplacementStrategy": "originalfirst", "type": "numberentry", "correctAnswerFraction": false, "correctAnswerStyle": "plain", "scripts": {}, "maxValue": "(d/100)*c", "showFeedbackIcon": true, "mustBeReducedPC": 0, "prompt": "

Work out $\\var{d}\\text{%}$ of $\\var{c}$.

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Add your previous answer to $\\var{c}$.

", "allowFractions": false, "mustBeReduced": false, "variableReplacements": []}], "variableReplacementStrategy": "originalfirst", "type": "numberentry", "correctAnswerFraction": false, "correctAnswerStyle": "plain", "scripts": {}, "maxValue": "(1+d/100)*c", "showFeedbackIcon": true, "mustBeReducedPC": 0, "prompt": "

Increase $\\var{c}$ by $\\var{d}\\text{%}$.

", "allowFractions": false, "mustBeReduced": false, "variableReplacements": []}, {"showCorrectAnswer": true, "stepsPenalty": 0, "marks": "2", "minValue": "(1-g/100)*f", "notationStyles": ["plain", "en", "si-en"], "steps": [{"showCorrectAnswer": true, "marks": 1, "minValue": "(g/100)*f", "notationStyles": ["plain", "en", "si-en"], "variableReplacementStrategy": "originalfirst", "type": "numberentry", "correctAnswerFraction": false, "correctAnswerStyle": "plain", "scripts": {}, "maxValue": "(g/100)*f", "showFeedbackIcon": true, "mustBeReducedPC": 0, "prompt": "

Work out $\\var{g}\\text{%}$ of $\\var{f}$

", "allowFractions": false, "mustBeReduced": false, "variableReplacements": []}, {"showCorrectAnswer": true, "marks": 1, "minValue": "(1-g/100)*f", "notationStyles": ["plain", "en", "si-en"], "variableReplacementStrategy": "originalfirst", "type": "numberentry", "correctAnswerFraction": false, "correctAnswerStyle": "plain", "scripts": {}, "maxValue": "(1-g/100)*f", "showFeedbackIcon": true, "mustBeReducedPC": 0, "prompt": "

Subtract your previous answer from $\\var{f}$.

", "allowFractions": false, "mustBeReduced": false, "variableReplacements": []}], "variableReplacementStrategy": "originalfirst", "type": "numberentry", "correctAnswerFraction": false, "correctAnswerStyle": "plain", "scripts": {}, "maxValue": "(1-g/100)*f", "showFeedbackIcon": true, "mustBeReducedPC": 0, "prompt": "

Decrease $\\var{f}$ by $\\var{g}\\text{%}$.

", "allowFractions": false, "mustBeReduced": false, "variableReplacements": []}, {"showCorrectAnswer": true, "stepsPenalty": 0, "marks": "2", "minValue": "(1-j/100)*h", "notationStyles": ["plain", "en", "si-en"], "steps": [{"showCorrectAnswer": true, "marks": 1, "minValue": "(j/100)*h", "notationStyles": ["plain", "en", "si-en"], "variableReplacementStrategy": "originalfirst", "type": "numberentry", "correctAnswerFraction": false, "correctAnswerStyle": "plain", "scripts": {}, "maxValue": "(j/100)*h", "showFeedbackIcon": true, "mustBeReducedPC": 0, "prompt": "

Work out $\\var{j}\\text{%}$ of $\\var{h}$

", "allowFractions": false, "mustBeReduced": false, "variableReplacements": []}, {"showCorrectAnswer": true, "marks": 1, "minValue": "(1-j/100)*h", "notationStyles": ["plain", "en", "si-en"], "variableReplacementStrategy": "originalfirst", "type": "numberentry", "correctAnswerFraction": false, "correctAnswerStyle": "plain", "scripts": {}, "maxValue": "(1-j/100)*h", "showFeedbackIcon": true, "mustBeReducedPC": 0, "prompt": "

Subtract your previous answer from $\\var{h}$.

", "allowFractions": false, "mustBeReduced": false, "variableReplacements": []}], "variableReplacementStrategy": "originalfirst", "type": "numberentry", "correctAnswerFraction": false, "correctAnswerStyle": "plain", "scripts": {}, "maxValue": "(1-j/100)*h", "showFeedbackIcon": true, "mustBeReducedPC": 0, "prompt": "

Decrease $\\var{h}$ by $\\var{j}\\text{%}$.

", "allowFractions": false, "mustBeReduced": false, "variableReplacements": []}, {"showCorrectAnswer": true, "stepsPenalty": 0, "marks": "2", "minValue": "(1+l/100)*k", "notationStyles": ["plain", "en", "si-en"], "steps": [{"showCorrectAnswer": true, "marks": 1, "minValue": "(l/100)*k", "notationStyles": ["plain", "en", "si-en"], "variableReplacementStrategy": "originalfirst", "type": "numberentry", "correctAnswerFraction": false, "correctAnswerStyle": "plain", "scripts": {}, "maxValue": "(l/100)*k", "showFeedbackIcon": true, "mustBeReducedPC": 0, "prompt": "

Work out $\\var{l}\\text{%}$ of $\\var{k}$

", "allowFractions": false, "mustBeReduced": false, "variableReplacements": []}, {"showCorrectAnswer": true, "marks": 1, "minValue": "(1-l/100)*k", "notationStyles": ["plain", "en", "si-en"], "variableReplacementStrategy": "originalfirst", "type": "numberentry", "correctAnswerFraction": false, "correctAnswerStyle": "plain", "scripts": {}, "maxValue": "(1-l/100)*k", "showFeedbackIcon": true, "mustBeReducedPC": 0, "prompt": "

Add your previous answer to $\\var{k}$.

", "allowFractions": false, "mustBeReduced": false, "variableReplacements": []}], "variableReplacementStrategy": "originalfirst", "type": "numberentry", "correctAnswerFraction": false, "correctAnswerStyle": "plain", "scripts": {}, "maxValue": "(1+l/100)*k", "showFeedbackIcon": true, "mustBeReducedPC": 0, "prompt": "

Increase $\\var{k}$ by $\\var{l}\\text{%}$.

", "allowFractions": false, "mustBeReduced": false, "variableReplacements": []}, {"showCorrectAnswer": true, "stepsPenalty": 0, "marks": "2", "minValue": "(1-n/100)*m", "notationStyles": ["plain", "en", "si-en"], "steps": [{"showCorrectAnswer": true, "marks": 1, "minValue": "(n/100)*m", "notationStyles": ["plain", "en", "si-en"], "variableReplacementStrategy": "originalfirst", "type": "numberentry", "correctAnswerFraction": false, "correctAnswerStyle": "plain", "scripts": {}, "maxValue": "(n/100)*m", "showFeedbackIcon": true, "mustBeReducedPC": 0, "prompt": "

Work out $\\var{n}\\text{%}$ of $\\var{m}$

", "allowFractions": false, "mustBeReduced": false, "variableReplacements": []}, {"showCorrectAnswer": true, "marks": 1, "minValue": "(1-n/100)*m", "notationStyles": ["plain", "en", "si-en"], "variableReplacementStrategy": "originalfirst", "type": "numberentry", "correctAnswerFraction": false, "correctAnswerStyle": "plain", "scripts": {}, "maxValue": "(1-n/100)*m", "showFeedbackIcon": true, "mustBeReducedPC": 0, "prompt": "

Subtract your previous answer from $\\var{m}$.

", "allowFractions": false, "mustBeReduced": false, "variableReplacements": []}], "variableReplacementStrategy": "originalfirst", "type": "numberentry", "correctAnswerFraction": false, "correctAnswerStyle": "plain", "scripts": {}, "maxValue": "(1-n/100)*m", "showFeedbackIcon": true, "mustBeReducedPC": 0, "prompt": "

Decrease $\\var{m}$ by $\\var{n}\\text{%}$.

", "allowFractions": false, "mustBeReduced": false, "variableReplacements": []}], "ungrouped_variables": ["a", "b", "c", "d", "f", "g", "h", "j", "k", "l", "m", "n"], "variables": {"n": {"definition": "random(0..100) //random number between 1 and 100", "templateType": "anything", "group": "Ungrouped variables", "description": "", "name": "n"}, "b": {"definition": "random(0..100#5) //A random percentage between 0 and 100 that is divisble by 5", "templateType": "anything", "group": "Ungrouped variables", "description": "", "name": "b"}, "m": {"definition": "random(100..1000#10) // random number between 100 and 1000 that is divisble by 10", "templateType": "anything", "group": "Ungrouped variables", "description": "", "name": "m"}, "k": {"definition": "random(100..1000#10) // random number between 100 and 1000 that is divisble by 10", "templateType": "anything", "group": "Ungrouped variables", "description": "", "name": "k"}, "c": {"definition": "random(100..1000#20) //random number between 100 and 1000 that is divisible by 20", "templateType": "anything", "group": "Ungrouped variables", "description": "", "name": "c"}, "g": {"definition": "random(0..100#5) //A random percentage between 0 and 100 that is divisble by 5", "templateType": "anything", "group": "Ungrouped variables", "description": "", "name": "g"}, "l": {"definition": "random(0..100) //random number between 1 and 100", "templateType": "anything", "group": "Ungrouped variables", "description": "", "name": "l"}, "d": {"definition": "random(0..100#5) //A random percentage between 0 and 100 that is divisble by 5", "templateType": "anything", "group": "Ungrouped variables", "description": "", "name": "d"}, "j": {"definition": "random(0..100#5) //A random percentage between 0 and 100 that is divisble by 5", "templateType": "anything", "group": "Ungrouped variables", "description": "", "name": "j"}, "a": {"definition": "random(100..1000#20) //random number between 100 and 1000 that is divisible by 20", "templateType": "anything", "group": "Ungrouped variables", "description": "", "name": "a"}, "f": {"definition": "random(100..1000#20) //random number between 100 and 1000 that is divisible by 20", "templateType": "anything", "group": "Ungrouped variables", "description": "", "name": "f"}, "h": {"definition": "random(100..1000#20) //random number between 100 and 1000 that is divisible by 20", "templateType": "anything", "group": "Ungrouped variables", "description": "", "name": "h"}}, "type": "question", "contributors": [{"name": "Eva Szatmari", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/513/"}]}]}], "contributors": [{"name": "Eva Szatmari", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/513/"}]}