1.Gasoline flows through a 1 inch diameter hose at an average velocity of 4 ft/s , what is the rate of flow in gallons per minute?

1.Gasoline flows through a 1 inch diameter hose at an average velocity of 4 ft/s , what is the rate of flow in gallons per minute? (1 ft3 = 7.48 gal)

2.Water is flowing at 9 m/s through a 6 cm pipe which is connected to a 3 cm pipe.What is the velocity in the smaller pipe?