Question

Farheen is twice as old as Sadaf .5 years ago her age was three times Sadaf's age .find their present ages

Answer 1

let Farheen's age be 2x and sadaf's age be x
acc. to question,
5-2x=3(5-x) {its given 5 years ago so subtracting 5}
=>5-2x=15-3x
=>5-15=-3x+2x
=>-10=-x
=>x=10
hence farheen age is 20 and sadaf age is 10 .
hope it helped

Answer 2

use Equestion and see attached image for solution