Question

A number is the sum of the product of `9` and `2` and their difference. What is the number?

Answer 1

The difference between `9` and `3` is `9-3=6`.

The sum of `6` and `18` is `24`.

Answer 2

25

Explanation:

Let `x` be the required sum.

`:. x = 9 xx 2 + (9-2)`

`= 18 + 7 = 25`