Question

When my father was 31 i was 8.Now he is twice as old as me .How old ami?

Answer 1

Answer:23

Step-by-step explanation:

let y be age of father and x be your age. let Z the years after which your father becomes twice your age

Therefore

y=31 , x=8

y+z=2(x+z)

31+z=16+2z

z=15

Therefore your present =x+z=15=8=23