Asked by janay1978

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 tha is 13% protein?

How many LBS of the cornmeal should be in the mixture and how many lbs of the soybean meal should be in the mixture?
Answered by Reiny
let the amount of cornmeal be x lbs
then the amount of soybeans is 360-x lbs

.09x + .18(360-x) = .13(360)
multiply by 100
9x + 18(360-x) = 13(360)

I am sure you can finish it from there.
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