Write a System of Equations for the Problem, and Then

Multiple Choice

Write a system of equations for the problem, and then solve the system.
-The manager of a candy shop sells chocolate covered nuts for $7 per pound and chocolate covered raisins for $11 per pound. The manager wishes to make a 200-pound mixture that will sell for $8 per pound. How many pounds of each should be used?

A) Nuts: 125 lb; raisins: 75 lb
B) Nuts: 150 lb; raisins: 50 lb
C) Nuts: 100 lb; raisins: 100 lb
D) Nuts: 50 lb; raisins: 150 lb