The total age of A and B is 12 years more than the total age of B and C. C is how many years younger than A? Pick one:
A) 12  B) 81  C) 77  D) 66  E) 73
(12 + B) - (B + C) = 12   12 - C = 12   12nswer: 12
<result>A</result>
The total age of A and B is 12 years more than the total age of B and C. C is how many years younger than A?