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FIND TIME 7. If a principal of $100 was invested at a rate of 7% and terminates with a balance of $163.00, how long was the money invested for? 63 + 100 (TI. )t 63 It 8. If a loan is taken out for $300 at 8% and costs $96.00, how long was the loan for? 9. You put $700 into a savings account with an interest rate of 10% which earns $140.00 over a period of time. How long was the period of time? 10. How long must $100 be invested at a rate of 4% to earn $32.00 in interest? FIND INTEREST 11. You put $800 into an investment at 7% for three years. What will the balance be at the end of three years? I = 800 ( 79. ) 3 12. What will the final balance be for $700 invested at 3% for three years? 13. If you borrow $200 at 10% for seven years, how much will you pay back by the end the term