SOLUTION: Jean is three times as old as her sister. In 6 years time she will be twice as old as her sister how old is jean

Question 1032946: Jean is three times as old as her sister. In 6 years time she will be twice as old as her sister how old is jean
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = Jean's age now
Let = her sister's age now
----------------------------
(1)
(2)
------------------------
Substitute (1) into (2)
(2)
(2)
(2)
and
(1)
(1)
(1)
----------------
Jean is 18
--------------
check:
(2)
(2)
(2)
(2)
OK
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