Question 761227: Pat is 40 years older than his son Patrick. In 4 years, the sum of their ages will be 90. How old are they now? Answer by Alan3354(69443) (Show Source):
You can put this solution on YOUR website! Pat is 40 years older than his son Patrick. In 4 years, the sum of their ages will be 90. How old are they now?
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In 4 yrs:
the difference will be 40 --> x - y = 40
the sum will be 90 --> x + y = 90
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Add the 2 equations.
