Jared is making accessories for the soccer team. He uses 811.68 inches of fabric on headbands for 34 players and 4 coaches. He also uses 329.12 inches of fabric on wristbands for just the players. How much fabric was used on a headband and wristband for each player?

The greatest common factor of the 3 listed numbers, is 12.

This can be found by simply writing out all the factors of each number.
24's factors are: 1,2,3,4,6,8,12,24
60's factors are: 1,2,3,4,5,6,10,12,15,20,30,60
84's factors are: 1,2,3,4,6,7,12,14,21,42,84
The highest factor shown is 12.

I hope this helps!