Question 150550: Soybean meal is 14% protein; cornmeal is 7% protein. How many lbs of each should be mixed together in order to
get 280-lb mixture that is 10% protein?
How many pounds of the cornmeal should be in the mixture?
How many pounds of soybean should be in the mixture? Answer by josmiceli(9671) (Show Source):
You can put this solution on YOUR website! Let = lbs of soybean meal to be used
Let = lbs of cornmeal to be used
Protein in the soybean meal =
Protein in the cornmeal =
(total lbs of protein in mixture) / (lbs of mixture) = % protein
multiply both sides by
Also known is
Multiply both sides by
Subtract (1) from (2)
160 lbs of cornmeal are needed and 120 lbs of soybean meal are needed