SOLUTION: Soybean meal is 12% protein; Cornmeal is 6% protein. How many pounds of EACH should be mixed together in order to get a 240 lb. mixture that is 9% protein? How many pounds of cornm

Algebra ->  College  -> Linear Algebra -> SOLUTION: Soybean meal is 12% protein; Cornmeal is 6% protein. How many pounds of EACH should be mixed together in order to get a 240 lb. mixture that is 9% protein? How many pounds of cornm      Log On


   



Question 210818: Soybean meal is 12% protein; Cornmeal is 6% protein. How many pounds of EACH should be mixed together in order to get a 240 lb. mixture that is 9% protein? How many pounds of cornmeal should be in the mixture? How many pounds of soybean meal should be in the mixture?
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
.12x+.06(240-x)=.09*240
.12x+14.4-.06x=21.6
.06x=21.6-14.4
.06x=7.2
x=7.2/.06
x=120 pounds. of soybean is used.
240-120=120 pounds of cornmeal is used.
Proof:
.12*120+.06*120=.09*240
14.4+7.2=21.6
21.6=21.6