Use Graphical Methods to Solve the Linear Programming Problem

Multiple Choice

Use graphical methods to solve the linear programming problem.
-Suppose an horse feed to be mixed from soybean meal and oats must contain at least 100 lb of protein,20 lb of fat,and 9 lb of mineral ash.Each 100-lb sack of soybean meal costs $20 and contains 50 lb of protein,10 lb of fat,and 8 lb of mineral ash.Each 100-lb sack of oats costs $10 and contains 20 lb of protein,5 lb of fat,and 1 lb of mineral ash.How many sacks of each should be used to satisfy the minimum requirements at minimum cost?

A) 2 sacks of soybeans and 0 sacks of oats
B) sacks of soybeans and sacks of oats
C) sacks of soybeans and sacks of oats
D) 0 sacks of soybeans and 2 sacks of oats