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Je plaatst een kapitaal van € {startkapitaal} op een spaarrekening met een rente van {formatnumber(rente,\"plain-eu\")} % per maand.

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Hoeveel bedraagt de rentevoet op jaarbasis (in procent)?

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Hoeveel staat er op de spaarrekening na 5 jaar?

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Na hoeveel jaar is het kapitaal verdubbeld? Rond af op 1 cijfer na de komma.

\n

Maak gebruik van GeoGebra om deze vraag op te lossen: https://www.geogebra.org/calculator

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