Solve the Linear Programming Problem

Multiple Choice

Solve the linear programming problem.
-A doctor has told a sick patient to take vitamin pills. The patient needs at least 6 units of vitamin A and atleast 6 units of vitamin B. The red vitamin pills cost 10¢ each and contain 1 unit of A and 2 units of B. Theblue vitamin pills cost each and contain 2 units of A and 1 unit of B. To avoid indigestion, the patientshould take no more than 4 red pills and no more than 7 blue pills. How many pills should the patient takeeach day to minimize costs?

A) 4 red and 1 blue
B) 2 red and 2 blue
C) 0 red and 6 blue
D) 4 red and 7 blue