SOLUTION: Equal amounts are invested at 5%, 7%, and 6% annual interest. If the three investments yield a total of $810 annual interest, find the total investment

SOLUTION: Equal amounts are invested at 5%, 7%, and 6% annual interest. If the three investments yield a total of $810 annual interest, find the total investment

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Question 456738: Equal amounts are invested at 5%, 7%, and 6% annual interest. If the three investments yield a total of $810 annual interest, find the total investment
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
y=3x
.05x+.07x+.06x=810
x=4500
y=13500

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