SOLUTION: Mary's son was one fifth of her age 5 years ago. In 5 years time, if her son's age is multiplied by 3, it will be 8 more than her age. What is Mary's current age?

Question 941684: Mary's son was one fifth of her age 5 years ago. In 5 years time, if her son's age is multiplied by 3, it will be 8 more than her age. What is Mary's current age?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
The language is a little tricky here
Hope I'm interpreting it right
Let = Mary's age now
Let = her son's age now
-----------------
(1)
(2)
-------------------------------
(1)
(1)
(1)
--------------------
(2)
(2)
----------------------
Add the equations
(1)
(2)
--------------------

plug this back into (1) or (2)
(2)
(2)
(2)
(2)
Mary's current age is 35
check:
(1)
(1)
(1)
(1)
OK
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