# The sum of four consecutive 3-digit numbers is 866. What are the four numbers?

Nov 22, 2016

The numbers are 215, 216, 217, and 218.

#### Explanation:

Let the 4 consecutive numbers be:
$n , n + 1 , n + 2 , n + 3$

$\left(n\right) + \left(n + 1\right) + \left(n + 2\right) + \left(n + 3\right) = 866$

$4 n + 6 = 866$

$4 n = 860$

$n = 215$