Answer:
13,14,15
Step-by-step explanation:
let the first number be n
The next 2 consecutive numbers will be
n+1 and n+2
Sum of these numbers is 42
n+ n+1+n+2=42
Combine like terms
3n+3=42
3n=42-3=39
n=39/3=13
So the numbers are
n=13
n+1=13+1=14
n+2=13+2=15