How To Calculate Compound Interest Grade 9 Complete Guide

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how to calculate compound interest grade 9. Here P 8000 R 5 per annum and n 3 years. We then multiply the result by time in years.

Simple Interest Notes By To The Square Inch Kate Bing Coners Teachers Pay Teachers Simple Interest Simple Interest Math Consumer Math
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After one year you will have 100 10 110 and after two years you will have 110 10 121. T Time period in years. Example 1 Remember when symbols are written side by side it means to multiply so PRTmeans PRT.

If the investment or loan is over a longer period we need to take this into account.

We use the symbol n to indicate time period which must be given in years. This gives us inter- est per year. 50000 is borrowed and the rate of interest is 10 per annum. Calculate rate of interest in decimal solve for r r nAP 1nt - 1.