SOLUTION: Pat and Chris have the same birthday. Pat is twice as old as Chris was when Pat was as old as Chris is now. If Pat is now 24 years old, how old is Chris?

Question 257629: Pat and Chris have the same birthday. Pat is twice as old as Chris was when Pat was as old as Chris is now. If Pat is now 24 years old, how old is Chris?
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
http://mathforum.org/library/drmath/view/57277.html
from that website
"Now, if Pat is 24, then Chris was 12 (half Pat's current age) at some
point in the past. That point was when Pat was as old as Chris is now.
Restating it, some number of years ago - let's call it x - Chris was
12 and Pat was Chris's current age."
24-x=12+x
12=2x
6=x
24-6=18 Chris's age
12+6=18

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