Answer:
I would think 28
I may be wrong but y'know
Why 28?
well it's going to touch a box every 8 boxes and 28 is the only one with 28
I hope this is right sorry if it's not.
0.009 i think this is the answer
127.75
130+110+121+141+137+136 /6
=10228/6
=127.75
