SOLUTION: zelma is 18 years older than her son. She was three times as old as he was one year go. How old are they now
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Question 705606: zelma is 18 years older than her son. She was three times as old as he was one year go. How old are they now
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = Zelma's age now
Let = her Son's age now
given:
(1)
(2)
----------------------
Substitute (1) into (2)
(2)
(2)
(2)
(2)
and, since
(1)
(1)
(1)
28 = Zelma's age now
10 = her Son's age now
--------------------
check:
(2)
(2)
(2)
(2)
OK
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