Math
posted by Anonymous .
Soybean meal is 18% protein; cornmeal is 9% protein. How many pounds of each should be mixed together in order to get a 360lb mixture that is 16% protein?
How many pounds of the cornmeal should be in the mixture?
How many pounds of the soybean meal should be in the mixture?

If we let x = weight of soybean meal, then
360  x = weight of cornmeal
0.18x + 0.09(360x) = 360*0.16
Solve for x and 360x.
Check my work.
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