Question 384059
Soybean meal is 16% protein and cornmeal is 9% protein.
 How many pounds of each should be mixed to get a 350-lb mixture that is 12% protein?
:
Let x = amt of 16% stuff required
then
(350-x) = amt of 9%
:
.16x + .09(350-x) = .12(350)
:
You should be able to do this now.