SOLUTION: A man is 20years older than his son. If the ratio of their ages is 3:8, how old is the son?

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Question 516135: A man is 20years older than his son. If the ratio of their ages is 3:8, how old is the son?

Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
m = s + 20

3m = 8s

substituting ___ 3(s + 20) = 8s ___ 3s + 60 = 8s