D.THIS PROBLEM CAN BE SOLVED BY USING THE SIMPLE INTEREST FORMULA

9. d.This problem can be solved by using the simple interest formula:interest= principal×rate×time.Remember to change the interest rate to a decimal before using it in the formula.I= (1,000)(0.05)(2)= $100. Since $100 was made in interest, the total in the bank account is $1,000 + $100 = $1,100.