If twice the son's age in years is added to the father's age, the sum is 70. But twice the father's age is added to the son's age, the sum is 95, find the present ages of the father and his son.

Question

Mathematics

Vance Williams

25 October, 02:11

If twice the son's age in years is added to the father's age, the sum is 70. But twice the father's age is added to the son's age, the sum is 95, find the present ages of the father and his son.

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Answers (1)

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Cheyanne Daugherty · Answer 1

40; 15

Step-by-step explanation:

father=f

son=s

2s+f=70

2f+s=95

f=70-2s

2 (70-2s) + s=95

140-4s+s=95

140-3s=95

-3s=-45

s=15

2 (15) + f=70

30+f=70

f=40