SOLUTION: Money and Mixture Problems: Nick has two cans of white paint, one with a 2% yellow pigment and the other with a 5% yellow pigment. He wants to mix the two paints to get paint w

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Question 475557: Money and Mixture Problems:
Nick has two cans of white paint, one with a 2% yellow pigment and the other with a 5% yellow pigment. He wants to mix the two paints to get paint with a 4% yellow pigment. How much of the 5% yellow pigment paint should be mixed with 0.4 gallon of the 2% yellow pigment paint to get the desired paint?

Answer by lwsshak3(11628)   (Show Source): You can put this solution on YOUR website!
Money and Mixture Problems:
Nick has two cans of white paint, one with a 2% yellow pigment and the other with a 5% yellow pigment. He wants to mix the two paints to get paint with a 4% yellow pigment. How much of the 5% yellow pigment paint should be mixed with 0.4 gallon of the 2% yellow pigment paint to get the desired paint?
**
let x=gal of 5% yellow pigment paint to be mixed with 0.4 gallon of the 2% yellow pigment paint to get a 4% yellow pigment paint.
5%x+2%(.4)=4%(.4+x)
.05x+.02(.4)=.04(.4)+.04x
.05x+.008=.016+.04x
.01x=.008
x=.8
ans:
5% yellow pigment paint to be mixed=.8 gal

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