SOLUTION: Soybean meal is 16% protein and cornmeal is 8% protien, how many pounds of each should be mixed together in order to get 320lb mixture that is 13% protein?
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Question 178279: Soybean meal is 16% protein and cornmeal is 8% protien, how many pounds of each should be mixed together in order to get 320lb mixture that is 13% protein? Answer by josmiceli(19441) (Show Source):
You can put this solution on YOUR website! Let = pounds of soybean meal needed
Let = pounds of cornmeal needed
In words:
(pounds of protein in soybean meal + pounds of protein in cornmeal) /
(total pounds of soybean and cornmeal) = % protein
given:
(1)
(2)
(3)
Multiply both sides of (1) by and subtract from (3)
(3)
(1)
And, since
(1)
200 pounds of soybean meal are needed and
120 pounds of cornmeal are needed
check:
(2)
OK
