ramakrishnap10513 ramakrishnap10513

17-01-2021
Mathematics

contestada

SECTION B.
7. After 12 years Raghav will be three times as old he was four years ago. Find his present age.

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LazyBun LazyBun

17-01-2021

Answer: Present age = 12 yrs old

Explanation:

Let x be the present age

x + 12 = 3(x - 4)
x + 12 = 3x - 12
x - 3x = -12 - 12
-2x = -24
x = -24/-2
x = 12

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