Amy has $90 in a savings account. The interest rate is 10% per year and is not compounded. How much will she have in total in 2 years? Use the formula i=prt, where i is the interest earned, p is the principal (starting amount), r is the interest rate expressed as a decimal, and t is the time in years.$_____
Q. Amy has $90 in a savings account. The interest rate is 10% per year and is not compounded. How much will she have in total in 2 years? Use the formula i=prt, where i is the interest earned, p is the principal (starting amount), r is the interest rate expressed as a decimal, and t is the time in years.$_____
Initial Amount and Rates: Amy's starting amount (principal) is \$\(90\), and the interest rate is \(10\%\) per year, which is \(0.10\) as a decimal. The time is \(2\) years.
Calculate Interest: Use the formula \(i = prt\) to calculate the interest. So, \(i = (\$90) \times 0.10 \times 2\).