Problema Solution

soybean meal is 12% protein; cornmeal is 6% protein. how many pounds of each should be mixed together in order to get 240lb mixture that is 9% protein?

Answer provided by our tutors

In order to get 9% protein, we need equal amounts of soymeal and cornmeal, because 9 is the average of 12 and 6.  Therefore we need 120lb of each.