SOLUTION: Equal amounts are invested at�4%, 7%, and�8%�annual interest. If the three investments yield a total of�$798�annual interest, find the total investment.

SOLUTION: Equal amounts are invested at�4%, 7%, and�8%�annual interest. If the three investments yield a total of�$798�annual interest, find the total investment.

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Question 833206: Equal amounts are invested at�4%, 7%, and�8%�annual interest. If the three investments yield a total of�$798�annual interest, find the total investment.
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
.04x+.07x+.08x=798
.19x=798
x=4200
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