SOLUTION: how many quarts of 1/2% fat milk should be added to 4 quarts of 2% fat milk to obtain 1% milk?

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Question 626988: how many quarts of 1/2% fat milk should be added to 4 quarts of 2% fat milk to obtain 1% milk?
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
how many quarts of 1/2% fat milk should be added to 4 quarts of 2% fat milk to obtain 1% milk?
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Equation:
fat + fat = fat
0.005x + 0.02*4 = 0.01(x+4)
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Multiply thru by 1000 to get:
5x + 20*4 = 10x + 10*4
5x = 10*4
x = 8 quarts (amt. of 1/2% milk to add)
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Cheers,
Stan H.
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