SOLUTION: Zeina is 4 years older than wadiha. 6 year ago, zeina’s age was twice wahida’s age. How old are they now?
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Question 1046004: Zeina is 4 years older than wadiha. 6 year ago, zeina’s age was twice wahida’s age. How old are they now?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = Zeina's age now
Let = Wadiha's age now
-----------------------------
(1)
(2)
-----------------------------
Substitute (1) into (2)
(2)
(2)
(2)
and
(1)
(1)
Zeina's age now is 14
Wadiha's age now is 10
------------------------
check:
(1)
(1)
(1)
and
(2)
(2)
(2)
(2)
OK
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