Question

After $15$ years, Hema's age will become four times that of her present age. Find her present age.

Answer 1

Let Hema's present age be $x$ years.

After $15$ years,her age will be $(x+15)$ year.

according to the question ,

$4x=x+15$

$4x-x=15$

$3x=15$

$x=5$

Hence,Hema's present age is $5$ years.