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. Interest 5 of pounds600 frac5100 times 600 pounds30. When the amount of interest the principal and the time period are known you can use the derived formula from the simple interest formula to determine the rate as follows.
Write down the formulaI prt Step 2.
Finds the Present Value when you know a Future Value the Interest Rate and number of Periods. PV FV 1rn. Read books centered on mathematical mysteries or fictional andor autobiographical books based on famous mathematicians. Finds the Present Value when you know a Future Value the Interest Rate and number of Periods.