Answer:
32.24 gallons 
Explanation:
From the question,Jed’s shower head releases 
6.2 gallons = 1 minute 
x gallon = 5 mins 12 secs 
First convert 12 secs to minutes and add it to 5 mins .
1 minute = 60secs
x minute = 12 secs 
x = 12/60 
= 0.2 mins + 5 mins 
= 5.2 mins 
Therefore,
6.2 gallons = 1 minute 
x gallons = 5.2 mins 
Cross multiply 
x = 6.2 x 5.2 /1 
 = 32.24/1 
= 32.24 gallons