SOLUTION: 1400 invested in two mutual funds one earned 6% profit the other earned 4% profit total profit 80. how much invested in each account

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Question 754747: 1400 invested in two mutual funds one earned 6% profit the other earned 4% profit total profit 80. how much invested in each account
Answer by tommyt3rd(5050)   (Show Source): You can put this solution on YOUR website!
P=1400
I=80
Assume t=1

or...


for convenience we multiply by 50



and the total principal is:



then we double each term





Next we subtract to solve






and thus




:)
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