Question

A man is 42 years old and his son is 12 years old in how many years will the age of the son be half the age of the man

Answer 1

Answer:

Let the time be = x

Then:

1/2(42 + x) = 12 + x

=> 42 + x = 24 + 2x

=> x = 18

Answer is 18 years.

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Answer 2

solutions:

let the value of X.

1/2(42 + x) = 12 + x

42 + x = 2(12 + x)

42 + x = 24 + 2x

42 - 24 = 2x - x

18 = x

x = 18

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