Answer:
Wow you needed help and nobody help, thats mean.
1 gallon = 4 quarts.
15 quarts/ 4 = 3.75 gallons
1 hour = 60 minutes
3.75 gallons / 60 minutes = 0.625 gallons per minute.
If you need to get to nine the answer is...
6+3 or 3x1+6
Multiply 1.275 with 51 to get the answer (65.025)