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OpenStudy (anonymous):
Donna invested 1200 dollars at 7% for 3 years. What will Donna's investment be worth at the end of 3 years? Mr Jaffrey borrowed 3500 at 9% interest per year. He paid back the loan after 9 years. How much did he repay in all?
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OpenStudy (dtan5457):
First one is just 1200+1200(0.07)=?
OpenStudy (dtan5457):
2nd one i believe is 3500e^(0.81)
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