m = 3s
s + 10 + m + 10 = 76
s + 3s + 20 = 76
4s = 56
s = 14
m = 3(14) = 42
Ellie S.
asked • 02/25/19a man is 3 times old than his son. 10 years time the sum of their age will be 76. What is their age?
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