Answer:
0.905 qts/s
Explanation:
First we have to know the equivalent of each unit
1 gal is equal to 4 qt
1 hour is equal to 3600 sec
Now we have to order each of the units 
 ⇒
⇒

 in this step the gal are eliminated
 in this step the gal are eliminated
Now we have to convert the seconds

Now we convert the hour to seconds
so the answer is 0.905qt/sec