You need to tell us how HIGH the tank is !
15 minutes
89.8 gallons for every foot of depth.
If 7 pipes can fill a water tank in 6 hours, then 1 pipe would take 7 times 6 or 42 hours. Take 42 and divide by 9, and you get 4 2/3 hours. That is the time it would take for 9 pipes to fill the tank.
30 mins
That varies dependent on the capacity of the vehicle's tank.
1.5 hours
273
11.6 for Toyota Echo
13.2 gal
About 60.566 liters to fill a 16-gallon gas tank.
You need to include the height.
10 times
You need to tell us how HIGH the tank is !
That would depend on how much gas is in the tank already , if it was empty it would take sixteen (16 ) gallons
how many minutes are needed to fill a tank 166060.8 cubic inches
12