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Mr. Trump invests 1000 dollars in a fund that compounds annually at a constant interest rate. After three years, his investment has grown to 1225 dollars. What is the annual interest rate? (Round your answer to the nearest integer.)

 Sep 30, 2020
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[1225 / 1000]^(1/3) =6.9987 =~7%  Annual COMPOUND interest rate on his investment for 3 years.

 Sep 30, 2020

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