SOLUTION: Kathy is 6 years younger than Bill. Twelve years ago, Bill twice as old as Kathy was then. How old are they now?
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Question 268349: Kathy is 6 years younger than Bill. Twelve years ago, Bill twice as old as Kathy was then. How old are they now?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
= Kathy's age now
= Bill's age now
(1)
(2)
(2)
(2)
From (1)
(1)
Add (1) and (2)
and
(1)
Kathy is 18 and Bill is 24
check:
(2)
OK
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