SOLUTION: Equal amounts are invested at 2%, 7%, and 9% annual interest. If the three investments yield a total of $774 annual interest, find the total investment.
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Question 901216: Equal amounts are invested at 2%, 7%, and 9% annual interest. If the three investments yield a total of $774 annual interest, find the total investment.
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
0.02*x+0.07*x+0.09*x=774
.18x=774
x=4300 total investment
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