Question

After 15 years Anita will be four times aa old as she now .determine her present age

Answer 1

let Anita present agr be x
Therefore , according to question--
x + 15 = 4x
15 = 4x - x
15 = 3x
15/3 = x
x = 5

Her present age will be 5 years ....
Hope it help you....

Answer 2

let the anita age be x . and after four years later =4x. A/ Q --- x+15 = 4x,,,15=4x -x =3x,,,now,x 3/15=5. so x =5