SOLUTION: Equal amounts are invested at 2%, 7%, and 9% annual interest. If the three investments yield a total of $720 annual interest, find the total investment.
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Question 1121685: Equal amounts are invested at 2%, 7%, and 9% annual interest. If the three investments yield a total of $720 annual interest, find the total investment. Found 2 solutions by solver91311, ikleyn:Answer by solver91311(24713) (Show Source):
