SOLUTION: has to be answered in full equation form.. alex is twice as old as chris. twelve years ago alex was three times as old as chris. how old are they now?

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Question 442698: has to be answered in full equation form..
alex is twice as old as chris. twelve years ago alex was three times as old as chris. how old are they now?
Answer by swincher4391(1107) About Me  (Show Source):
You can put this solution on YOUR website!
a = 2c
a-12 = 3(c-12)
2c-12 = 3c -36
-c = -24
c = 24
Chris is 24.
a = 2(24)
Alex is 48.