SOLUTION: How many ounces of pure bran flakes must be added to 70 ounces of cereal that is 42% bran flakes to produce a mixture that is 59.4% bran flakes?

SOLUTION: How many ounces of pure bran flakes must be added to 70 ounces of cereal that is 42% bran flakes to produce a mixture that is 59.4% bran flakes?

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Question 712337: How many ounces of pure bran flakes must be added to 70 ounces of cereal that is 42% bran flakes to produce a mixture that is 59.4% bran flakes?
Answer by josgarithmetic(39620) (Show Source): You can put this solution on YOUR website!
u = how many ounces of pure bran

Add 30 ounces of pure bran to the 70 ounces of 42% bran to get 59.4% bran.
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