$9.$ TI Calculator Graded Problem Set

Tanya needs to make some house repairs in three years that will cost $$8,000.$ She has some money in an account earning $8\%$ annual interest. How much money needs to be in the account today so she will have enough to pay for the repairs?

$$6,417$

$$6,717$

$$7,347$

$$6,351$

$$6,866$

Unfortunately, Tanya doesn't have enough money in her account right now. She needs to make additional contributions at the end of each of the next three years to be able to pay for the repairs. Her account currently has $$4,500,$ which, along with her additional contributions, is expected to continue earning $8\%$ annual interest. If she makes equal contributions each year, how large must each contribution be for Tanya to have $$8,000$ after three years?

$$1,203$

$$445$

$$588$

$$718$

$$846$