Question 1.how to find simple interest
question 2.(the photo)
for the answer

answer for qn.1

Simple Interest Formulas and Calculations:

Use this simple interest calculator to find A, the Final Investment Value, using the simple interest formula: 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.

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step-by-step explanation: