About 12,000 I’m not sure but I searched it up and it says that
45,000-780h=y
It looses 780 gallons per hour so you do 780 time # of hours.
9 mph because if it was 4/5 miles in 1/10 of an hour you just multiply it by 10 to get an hour and if you multiply 4/5 x 10 equals 40/5. simplified it is 9
