Question

After 15 years,salma will be four times as old as she is now. Determine her present age.

Answer 1

Let the present age of Salma be = x

After 15 years,

x +15 = 4x

15 = 3x

x = 5

therefore, present age of Salma is 5 years

Answer 2

Let her present age be x.

15+x=4x.

4x-x=15.

3x=15.

x=15/3=5

Her present age is 5.