5 consecutive integers can be written like
1. x
2. x+1
3. x+2
4. x+3
5. x+4
sum means add them all up.
[tex]x + x + 1 + x + 2 + x + 3 + x + 4 = 120[/tex]
combine like terms and solve for x.
remember it is looking for third in the sequence, so add 2 to your answer.
good luck!