Question

Question #2c9de

Answer 1

`15`

Explanation:

Let the number be `x`

Then `2/3` of `x` is `10`

It can be written as:

`2/3xxx=10`

or, `2x` = `10xx3`

or, `x` = `(10xx3)/2` = `(cancel10^5xx3)/cancel2^1` = `15`