SOLUTION: Mr collins invested a sum at 4% and an equal amount at 6%. His retun totals $40 per year. How much money was invested at each rate?

SOLUTION: Mr collins invested a sum at 4% and an equal amount at 6%. His retun totals $40 per year. How much money was invested at each rate?

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Question 70549: Mr collins invested a sum at 4% and an equal amount at 6%. His retun totals $40 per year. How much money was invested at each rate?
Answer by checkley75(3666) (Show Source): You can put this solution on YOUR website!
.04X+.06X=40
.1X=40
X=40/.1
X=$400 IS THE AMOUNT INVESTED @ 4% & 6%.
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