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Posted by **Louren** on Tuesday, July 6, 2010 at 3:16am.

How pounds of cornmeal do you need and how many pounds of soybean do you need?

- algebra -
**drwls**, Tuesday, July 6, 2010 at 3:45am360 lb with 14% protein is 50.4 lb protein.

Solve these two simultaneous equations for the number of lb of soybean meal (S)and corn meal (C):

S + C = 360

0.18S + 0.09C = 50.4

One way to solve would be to substitute 360-C for S in the second equation.; then solve for C

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