1. Will borrowed $6,400 at 5.9% simple interest. The total he owed to repay the loan was $6,492. What was the term of the loan? Show your work.
2. If you deposit $18,342.17 in a 450 day certificate of deposit paying 0.82% simple interest, how much total interest will you earn? Show your work.
3. How much would you need to deposit to earn $500 every 30 days from an investment paying 2.45% simple interest calculated using bankers rule? Show your work.
4. Toby borrowed $5,490 at 10.53% simple interest for 21 months. Find the total amount he would need to repay this loan. Show your work.