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simple way to solve compound interest. This will save about a minute of your time allowing you to solve an extra question and boost your score and percentile. Compound interest is the addition of interest to the principal sum of a loan or deposit.
Finds the Present Value when you know a Future Value the Interest Rate and number of Periods. Basically The formula for Amount in Compoun interest Amount. Compound interest is the addition of interest to the principal sum of a loan or deposit.
But what follows is the quickest way to solve compound interest problems.
Mathbf P 1 frac r nn P 1 nr. If you get such a problem your first thought should be to avoid calculating the amount of compound interest exactly. N number of payment periods number of interest periods times number of years. 7th grade math introduction to simple and compound interest.