SOLUTION: A company wants to invest $180,000 in three accounts, one bearing 4.5%, another 6%, and another 8% interest. Twice as much will be invested at 4.5% as at 8%, and the total interes

Question 31372: A company wants to invest $180,000 in three accounts, one bearing 4.5%, another 6%, and another 8% interest. Twice as much will be invested at 4.5% as at 8%, and the total interest earned the first year is $10,400. How much should be invested at each rate?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
the equation is

the amounts to be invested are
80K @ 4.5%
40K @ 8%
60K @ 6%
check

3.6K + 3.2K + 3.6K = 10.4K
OK
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