Saturday, July 18, 2009 at 4:42pm.
soybean meal is 12% protein; cornmeal is 6% protein.How many pounds of each should be mixed together in order to get 240-lb mixture that is 10% protein%
How many pounds of the cornmeal should be in the mixture?_____pounds
How many pounds of the soybeans meals should be in the mixture?______pounds
Let S = pounds of soy bean meal.
Let C = pounds of corn meal.
so one equation is
S + C = 240
The other equation is
0.12S + 0.06S = 0.1*240
Solve the two equations for the two unknowns.
so the answer would be
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