Question

After 12 years Sunil shall be 3 times as old as he was 4 years ago. Find the present age.After

Answer 1

Hope u like my process
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Let sunil's present age be x yrs

His age after 12 yrs = (x+12)yrs

His age 4 yrs ago = (x - 4) yrs.

By problem
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$\bf \: = > (x + 12) = 3(x - 4) \\ \\ or. \: \: x + 12 = 3x - 12 \\ \\ or. \: \: 3x - x = 12 + 12 \\ \\ or. \: \: 2x = 24 \\ \\ or. \: \: \bf \: x = \frac{24}{2} = 12$
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So,
Sunil's present age is 12 yrs.
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