.18 s +.09 c = .13 (560)
and
s+c = 560
Soybean meal is 18% protein; cornmeal is 9% protein. How many pound of each should mised together in order to get 560-lb mixture that is 13% protein?
How many pounds of the cornmeal should be in the mixture?
How many pounds of the soybean meal should be in the mixture?
I'm just so stuck on this questions I need help please
1 answer