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Jan is as old now as Gary was $15$ years ago. Six years from now, Gary will be twice as old as Jan will be then. How old is Gary now?

Jan is as old now as Gary was $15$ years ago. Six years from now, Gary will be twice as old as Jan will be then. How old is Gary now?
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1 vote
Jan is as old now as Gary was $15$ years ago. Six years from now, Gary will be twice as old as Jan will be then. How old is Gary now?

asked
User Kadi
by
8.5k points

1 Answer

4 votes
(1)J=G-15
G+6=2(J+6), G+6=2J+12, (2)G=2J+6
(2) substitute in (1)

J=2J+6-15
-J=-9
J=9
9=G-15
G=24 now Gary

answered
User Jayavel
by
7.3k points
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