Question 1153667: On two investments totaling $7,000, Lydia lost 4% on one and earned 6% on the other. If her net annual receipts were $308, how much was each investment?
Found 2 solutions by josmiceli, MathTherapy:
Answer by josmiceli(19441)   (Show Source):
Answer by MathTherapy(10556)  (Show Source):
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On two investments totaling $7,000, Lydia lost 4% on one and earned 6% on the other. If her net annual receipts were $308, how much was each investment?
Let amount invested in fund that lost 4% be F
Then amount invested in fund that gained 6% = 7,000 - F
We then get: - .04F + .06(7,000 - F) = 308
- .04F + 420 - .06F = 308
- .1F = - 112
F, or amount invested in fund that LOST 4%: 
Amount invested in fund that GAINED 6%: 
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