Question

Elle is 23 years old.

Her mother is 58 years old.
In how many years will Elle's mother be twice as old as Elle?

Answer 1

Let, the number of Years = x
Then, (58 + x) = 2(23 + x)
58 + x = 46 + 2x
2x - x = 58 - 46
x = 12

In short, After 12 Years,Elle's mother be twice as old as Elle

Hope this helps!