Question

The sum of three consecutive number is 54. How do you find the numbers?

Answer 1

`17, 18 and 19` are the only three consecutive numbers whose sum is `54`.

Explanation:

Assuming the first of the 3 consecutive numbers to be `n`, we then know that `(n) + (n+1) + (n+2) = 54`.

i.e. `(3xxn)+3=54.`

Change 3 to the other side `3xxn = 54-3=51,`

and that gives you `n = 51/3=17.`

Therefore `n, n+1 and n+2` become `17, 18 and 19` (sum = 54).