Asked by Anonymous

Soybean meal is 18% protein, cornmeal is 9% protein. How many pounds of each should be mixed together in order to get 360-lb mixture that is 11% protein?

How many pounds of cornmeal should be in the mixture?

How many pounds of the soybean meal should be in the mixture?
Answered by Reiny
let the amount of soybean be x lb
let the amount of cornmeal be 360-x lbs

so .18x + .09(360-x) = .11(360)

I would multiply the equation by 100, then its easy
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