SOLUTION: How many ounces of pure bran flakes must be added to 50 oz of cereal that is 40% bran flakes to produce a mixture that is 50% bran flakes?

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Question 577726: How many ounces of pure bran flakes must be added to 50 oz of cereal that is 40% bran flakes to produce a mixture that is 50% bran flakes?
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
(50*.4)+x=.5(50+x)
20+x=25+.5x
.5x=5
x=10
10 ounces of pure bran flakes.