A pump fills a pool at a constant rate. At the end of 21 minutes it has filled 7 gallons of water. Which table represents the relationship between the number of minutes and the number of gallons of water in the pool?

Answer:
B.
Step-by-step explanation:
cuz you take 21 divide by 7 equals 3. 33 divided by 3 equals 11
i hope this is right!!! :)