Let n be the middle number of three consecutive integers. Write an expression for the sum of these integers.?

1 Answer
Apr 14, 2018

Please look below.

Explanation:

Consecutive numbers are numbers in order, so the three consecutive numbers are n-1, n and n+1.

The sum of these three consecutive numbers are:

(n - 1) + (n) + (n+1)

= 3n