Simple Interest Formulas and Calculations. By inputting these variables into the formula 1000 times 10 times 3 years would be 300. The formula for Simple Interest is Simple Interest Principal Interest In other words it can be written as A P 1 r t.
How can you find the time in years.
I Prt becomes r IPt Remember to use 1412 for time and move the 12 to the numerator in the formula above. I Prt becomes r IPt Remember to use 1412 for time and move the 12 to the numerator in the formula above. Amount due after 5 yearsPrincipal Simple Interest 50002500. This video is provided by the Learning Assistance Center of Howard Communi.