Your friend borrows $840 from you. Your friend pays you back and gives you another $158 in 3 years. What simple interest rate did your friend give you? Write your answer as a percent. Round your answer to then nearest tenth.
Added by Bradley C.
Step 1
- Principal (P) = $840 - Interest (I) = $158 (the extra amount paid back) - Time (t) = 3 years Show more…
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