SOLUTION: a man is 3 times as old as his son,their total age is 40years.what are their ages?

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Question 983741: a man is 3 times as old as his son,their total age is 40years.what are their ages?
Answer by macston(5194) About Me  (Show Source):
You can put this solution on YOUR website!
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S=son's age; 3S=man's age
3S+S=40
4S=40
S=10 ANSWER 1: The son is 10 years old.
Man's age=3S=3(10 yrs)=30 yrs ANSWER 2: The man is 30 years old.