SOLUTION: Please help me solve this equation:
using a system of two equations:
Soybean is 16% protein and corn meal is 9% protein. How many pounds of each should be mixed toghther to
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Question 168860This question is from textbook prentice hall Algebra2 with trigonometry
: Please help me solve this equation:
using a system of two equations:
Soybean is 16% protein and corn meal is 9% protein. How many pounds of each should be mixed toghther to get a 350-lb mixture that 12% protein?
This question is from textbook prentice hall Algebra2 with trigonometry
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
NOT FAMILIAR WITH A 2 EQUATION SYSTEM TO SOLVE THESE TYPES OF PROBLEMS.
HERE'S THE STANDARD METHOD.
.16X+.09(350-X)=.12*350
.16X+31.5-.09X=42
.07X=42-31.5
.07X=10.5
X=10.5/.07
X=150 LB. OF SOYBEANS ARE USED.
350-150=200 LB. OF CORN MEAL IS USED.
PROOF:
.16*150+.09*200=42
24+18=42
42=42
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