SOLUTION: the sum of the age of a father and son is now 48. what was the sum of their ages ten years ago?

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Question 936155: the sum of the age of a father and son is now 48. what was the sum of their ages ten years ago?
Answer by TimothyLamb(4379) About Me  (Show Source):
You can put this solution on YOUR website!
x = age of father now
y = age of son now
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x + y = 48
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x + y - 20
48 - 20
28
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answer:
28
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