Answers

2015-11-20T22:36:07+08:00
So, let's identify the given first

Chris - x
Bobby - x + 3

(x) + (x + 3) = 39

2x = 39-3

2x = 36
2      2

x=18
x + 3 = 21

18 + 21 = 39

So, since that was a year ago, now, Chris is 19 then Bobby is 22

2 2 2
2015-11-21T10:56:58+08:00
Last year,Bobby is 21 yrs. old and Chris is 18 yrs. old,next year,Bobby will be 22 and Chris will be 19 yrs. old
0