Mathematics

Grace Fletcher

21 October, 15:33

1) Mauro invested $2,500 in a CD account, which guaranteed a return rate of 7.25% over a 5 year period. What is the interest Mauro should expect to receive at the end of the investment period?

2) Kyle Reese borrowed $1,000 at 7% interest. By the end of the loan period he paid $280. For how many years did Kyle borrow the money?

3) Carolina borrowed $750 for 3 years. She paid $146.25 in interest. What was the interest rate for the loan?

4) Fabricio paid $1,176 in interest, which was accrued over a 7-year loan period at 3.5%.

What was the original amount of money he borrowed?