SOLUTION: Equal amounts are invested at 3%, 7%, and 9% annual interest. If the three investments yield a total of $684 annual interest, find the total investment.
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Question 896619: Equal amounts are invested at 3%, 7%, and 9% annual interest. If the three investments yield a total of $684 annual interest, find the total investment.
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
The total investment was
$10,800
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