ashleytreder8157 ashleytreder8157

30-06-2021
Mathematics

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A man is 40 years old and his son is 5years old. In how many years will the father be 3 times the age of his son.

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altavistard altavistard

30-06-2021

12 1/2 years

Step-by-step explanation:

Let the unknown be n. Then 40+n = 3(5+n).

Performing the multiplication:

40+n = 15+3n

Isolate n and combine the constant terms:

25=2n, so n= 25/2 years

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