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

Question 324965: Soybean meal is 12% protein; cornmeal so 6% protein. How many pounds of each should be mixed together in order to get a 240lb mixture that is 9% protein?
How many lbs of cornmeal should be in the mixture? ___lbs?
How many lbs of soybean meal should be in the mixture? ___lbs?
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Let S be the amount of soybeans, C the amount of cornmeal.
1.
2.
From eq. 1,

Substitute into eq. 2,

Then from eq. 1,

.
.
.
Use 120 lb of each soybeans and cornmeal.
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