Answer:
36 years
Explanation:
Tom's age : Nephew's age = 3 : 1
Tom's age = 3x
His nephew's age = x
Difference of age = 24 years
3x - x = 24
2x = 24
Divide both sides by 2
x = 24/2
x = 12
Tom's age = 3*12 = 36
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