Problema Solution
Soybean meal is 18% protein, cornmeal is 90% protein. How many pounds of each should be mixed together in order to get 360-lb mixture that is 15% protein?
How many pounds of the cornmeal should be in the mixture? ____ pounds
How many pounds of the soybean meal should be in the mixture? _____ pounds
Answer provided by our tutors
18x + 9y = 15*360
x + y = 360
solving we get
cornmeal 120
soybean 240