SOLUTION: The mother is 6 years more than three times older than her son. Four years ago, she was 5 times older as her son. How old is her son.
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Question 657990: The mother is 6 years more than three times older than her son. Four years ago, she was 5 times older as her son. How old is her son.
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = Mother's age no
Let = Son's age now
given:
(1)
(2)
-----------------------
Substitute (1) into (2)
(2)
(2)
(2)
(2)
(2)
Son is 11
check:
(1)
(1)
and
(2)
(2)
(2)
(2)
OK
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