Respuesta :
n = smallest number
n+1 = 2nd number
n+2 = largest number
set their sum to 87
n + n + 1 + n + 2 = 87
3n + 3 = 87
-3 -3
-----------------
3n = 84
---- -----
3 3
---------------
n = 28
The smallest number is 28
n+1 = 2nd number
n+2 = largest number
set their sum to 87
n + n + 1 + n + 2 = 87
3n + 3 = 87
-3 -3
-----------------
3n = 84
---- -----
3 3
---------------
n = 28
The smallest number is 28