Age Question - help!

Question

Carrey us 20 years younger than Jim. 10 years ago, their total age was 100. How old is Carrey now?

Answer 1

C = J -20

C-10 + J-10 = 100

C+J = 120

J-20 + J = 120

2J = 140

J =140/2 = 70

C = 70-20 = 50

Jim is 70, Carrey is 50

10 years ago they were 60 and 40 which sum to 100