Question

Sanjay will be 3 times as old as he was 4 years ago after 18 years. Find his present age.

Answer 1

let Sanjay's age be 'x'

so: 3(x-4) = x+18

3x-12 = x+18

3x-x = 18+12

2x = 30

x = 15 years

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Answer 2

Given :-

• Sanjay will be 3 times as old as he was 4 years ago after 18 years.

To Find :-

• Sanjay's present age

Solution :-

⟼ Let the Present age be x - 4

⟼ After 18 years Present age will be x + 18

According to the Question :

⟾ x + 18 = 3 (x - 4)

⟾ x + 18 = 3x - 12

⟾ 12 + 18 = 3x - x

⟾ 30 = 2x

⟾ 30 / 2 = x

⟾ 15 = x

Thus Present Age of Sanjay is 15 years

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