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Brand X sells 21 oz. Bags of mixed nuts that contain 29% peanuts. To make their product, they combine Brand A mixed but which contain 35% peanuts and Brand B mixed nuts which contain 25% peanuts. How much of each do they need to use?

 Jan 30, 2020
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0.35A + 0.25B =0.29*21...................(1)

A  +  B = 21........................................(2), solve for A, B

 

Use substitution from (2) into (1) and should get:

A =42 / 5 =8.4 ounces of Brand A

B =63 / 5 =12.6 ounces of Brand B

 Jan 30, 2020

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