In a certain candy store, 3 pounds of candy and 2 pounds of mints cost $10.80, and 1 pound of candy and 3 pounds of mints cost $5.35. What is the cost per pound of the mints?
mints are 65¢ per lb
mints are 75¢ per lb
mints are 85¢ per lb

Question

In a certain candy store, 3 pounds of candy and 2 pounds of mints cost $10.80, and 1 pound of candy and 3 pounds of mints cost $5.35. What is the cost per pound of the mints?
mints are 65¢ per lb
mints are 75¢ per lb
mints are 85¢ per lb

anonymous · Answer

Let c and m be the cost, $ per lb, of candy and mints respectively.
Solve the following equations for c and m.

{3 c + 2 m = 10.80, 1 c + 3 m = 5.35}

{c = $3 .10/lb, m = $0 .75/lb}

mints are 75¢ per lb