SOLUTION: Find how many quarts of 5% milk and 1% milk should be mixed to yield 80 quarts of 4% milk

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Question 521559: Find how many quarts of 5% milk and 1% milk should be mixed to yield 80 quarts of 4% milk
Answer by richwmiller(9143) About Me  (Show Source):
You can put this solution on YOUR website!
.05f+.01*m=.04*80
f+m=80
f=60
m=20