Soybean milk is 12% protein; cornmeal is 6% protein. How many pounds of each should be mixed together in order to get 240 pound mixture that is 8% protein?

Question

Soybean milk is 12% protein; cornmeal is 6% protein.  How many pounds of each should be mixed together in order to get 240 pound mixture that is 8% protein?

Reiny · Answer

sybean --- x cornmeal --- 240-x solve .12x + .06(240-x) = .08(240)