SOLUTION: 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 13% protein.

Algebra ->  Equations -> SOLUTION: 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 13% protein.      Log On


   



Question 255381: 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 13% protein.
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
.18x+.09(360-x)=.13*360
.18x+32.4-.09x=46.8
.09x=46.8-32.4
.09x=14.4
x=14.4/.09
x=160 pounds of 16% soybeans is used.
Proof:
.18*160+.09(360-160)=46.8
28.8+.09*200=46.8
28.8+18=46.8
46.8=46.8