The sum of the ages of Josh and Shannon is 88 years. 12 years ago, Josh age was 3 times Shannon's age. How old is Josh now?

Answer 1

J + S = 88

S = 88 - J (1)

J - 12 = 3*(S - 12) (2)

write (1) in (2)

J - 12 = 3*(88 - J - 12)

J - 12 = 228 - 3J

4J = 240

J = 60