As for the protein dietary requirement constraint, the amount of protein included in Xl lb of
corn and X2 lb of soybean meal is (.09Xl + .6X2) lb. This quantity should equal at least 30% of
the total feed mix (Xl + X2) lb-that is,
.09xl + .6X2 ~ .3(XI + X2)
In a similar manner, the fiber requirement of at most 5% is constructed as
.02xl + .06X2 ~ .05(xl + X2)