Jenna has $80 in a savings account. The interest rate is 5% per year and is not compounded. How much interest will she earn in 1 year? Use the formula i=prt, where i is the interest earned, p is the principal (starting amount), r is the interest rate expressed as a decimal, and t is the time in years.$_____
Q. Jenna has $80 in a savings account. The interest rate is 5% per year and is not compounded. How much interest will she earn in 1 year? Use the formula i=prt, where i is the interest earned, p is the principal (starting amount), r is the interest rate expressed as a decimal, and t is the time in years.$_____
Identify values needed: Identify the values needed to calculate the interest.Principal p = $80Interest rate r = 5% or 0.05 as a decimalTime t = 1 year
Use formula to calculate: Use the formula i=prt to calculate the interest.i=($80)×0.05×1
Perform multiplication to find interest: Perform the multiplication to find the interest. i=$4