SOLUTION: Soybean meal is 16% protein and Cornmeal is 8%. How many pounds of each should be mixed together in order to get 320 pound mixture that is 15% protein?

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Question 460060: Soybean meal is 16% protein and Cornmeal is 8%. How many pounds of each should be mixed together in order to get 320 pound mixture that is 15% protein?
Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
protein percent ----------------quantity
Soyabean 16 ----------------x pounds
Cornmeal 8 ---------------- 320 - x pounds
Mixture 15.00% ---------------- 320
16x+8(320-x)=15*320
16x+2560-8x=4800
16x-8x=4800-2560
8x=2240
/8
x=280 pounds Soyabean
40 pounds Cornmeal