Section 5.1 Support your answer by showing your work. 1. If $4500 is loaned for 9 months at a 9.4% 2. A loan of $5000 was repaid at the end of 6 annual simple interest rate, how much interest months. What amount (principal and interest) is earned? Round the answer to the nearest was repaid, if a 7.5% annual rate of simple cent. interest was charged? Round your answer to the nearest cent. 3. In two years, I will have to pay my brother back $20,000 for a simple interest loan at 9%. How much did he loan me? Round your answer to the nearest cent. 4. George bought a 4 month $1000 Treasury bill that sold at a discount rate of 5.25%. Find the following: a) What was the amount of the discount? What b) What was the actual interest rate paid by the was the price of the Treasury bill? Round your Treasury? Round the percentage to three answer to the nearest cent. decimal places