SOLUTION: Ginas mother is 5 times as old as gina. In 18 years, shell be twice as old as gina. How old are they now?
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Question 1117799: Ginas mother is 5 times as old as gina. In 18 years, shell be twice as old as gina. How old are they now?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = Gina's mother's age now
Let = Gina's age now
---------------------------------------
(1)
(2)
---------------------------------
Plug (1) into (2)
(2)
(2)
(2)
(2)
and
(1)
(1)
(1)
------------------------
Gina's mother is 30
Gina is 6
------------------------
check:
(2)
(2)
(2)
(2)
OK
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