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Mathematics 8 Online
OpenStudy (anonymous):

soybean meal is 14% protein; cornmeal is 7% protein, how many pounds of each should be mixed together in order to get 280 lb mixture that is 11% protein

OpenStudy (katrinakaif):

Plug it into the equation .14(x) + .07y = 280(.11) and x + y = 280 Plug in by first using substituion method you should get your answer..

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