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how to calculate simple interest 8th grade. The calculator will print easy to understand step-by-step explanation. When you know the principal amount the rate and the time the amount of interest can be calculated by using the formula.
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SI P R T 100. 7th grade math introduction to simple and compound interest. A P 1 rt where P is the Principal amount of money to be invested at an Interest Rate R per period for t Number of Time Periods.
The Formula for simple interest helps you find the interest amount if the principal amount rate of interest and time periods are given.
This lesson is intended to teach students how to calculate simple interest. This means that you will not earn an interest on your interest. Simple interest formula is given as. The general formula for calculating simple interest is.
