Solve the Problem $\$ 0.62$ Per Pound by Mixing One Kind Worth

Multiple Choice

Solve the problem.
-Tim and Judy mix two kinds of feed for pedigreed dogs. They wish to make 28 pounds of feed worth $\$ 0.62$ per pound by mixing one kind worth $\$ 0.15$ per pound with another worth $\$ 0.97$ per pound. How many pounds of the cheaper kind should they use in the mix?

A) 21 pounds
B) 14 pounds
C) 12 pounds
D) 16 pounds