SOLUTION: How many ounces of pure bran flakes must be added to 70oz of cereal that is 50% bran flakes, to produce a mixture that is 65% bran flakes? This is how I have set it up, but answer

SOLUTION: How many ounces of pure bran flakes must be added to 70oz of cereal that is 50% bran flakes, to produce a mixture that is 65% bran flakes? This is how I have set it up, but answer

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Question 933802: How many ounces of pure bran flakes must be added to 70oz of cereal that is 50% bran flakes, to produce a mixture that is 65% bran flakes?
This is how I have set it up, but answer key says something else
(70+x).65=35
Answer by josgarithmetic(39618) (Show Source): You can put this solution on YOUR website!
This lesson explains everything:

Mixture: one material quantity unknown
http://www.algebra.com/my/Two-Part-Mixture-with-one-material-quantity-unknown.lesson?content_action=show_dev
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