// Numbas version: finer_feedback_settings {"name": "Find the result when an amount is increased by a percentage", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "question_groups": [{"pickingStrategy": "all-ordered", "questions": [{"name": "Find the result when an amount is increased by a percentage", "tags": [], "metadata": {"description": "", "licence": "None specified"}, "statement": "
This is about finding the result when a number is increased by a percentage
", "advice": "There are two ways to do this.
\nFirst method: find {percentage}% of {number} and add this to {number}:
\\[\\frac{\\var{percentage}}{100}\\times \\var{number} + \\var{number}\\]
Second method: find what the new percentage is by doing 100 + {percentage} and find that percentage of {number}:
\\[\\frac{100 + \\var{percentage}}{100}\\times \\var{number} \\]
Find the result when {number} is increased by {percentage}%
", "minValue": "(1+{percentage}/100)*{number}", "maxValue": "(1+{percentage}/100)*{number}", "correctAnswerFraction": false, "allowFractions": false, "mustBeReduced": false, "mustBeReducedPC": 0, "displayAnswer": "", "precisionType": "dp", "precision": "2", "precisionPartialCredit": 0, "precisionMessage": "You have not given your answer to the correct precision.", "strictPrecision": true, "showPrecisionHint": true, "notationStyles": ["plain", "en", "si-en"], "correctAnswerStyle": "plain"}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": "always", "penaltyVisibility": "always", "contributors": [{"name": "Cath Brown", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/31116/"}], "resources": []}]}], "contributors": [{"name": "Cath Brown", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/31116/"}]}