Answer:
The record alligator is 
 feet longer than the alligator Taylor saw.
Explanation:
Taylor saw an American alligator at a zoo that measured 
 feet long. The record length of an American alligator is 
 feet long. How much longer is the record alligator than the alligator Taylor saw?
For this first convert the mixed fraction into an improper fraction.


Now subtract 
 from 
.

Hence, the record alligator is 
 feet longer than the alligator Taylor saw.