235
1) Three consecutive odd numbers can be represented as
n +n+2 +n+4
2) So we can write the following since their sum is 711
n +n+2 +n+4 = 711 Combine like terms
3n+6=711 subtract 8from both sides
3n= 705
n=235
Let's plug into the formula 2n +1 to find the first locker:
So the first locker is 235
