Question

If the rate of flow in an automatic watering system is 7.49 gallons/hour, how many milliliters per minute (ml/min) is this?

1 gallon = 3.786 liters

1 liter = 1000 mL

Answer 1

just work with the units

7.49 gal/hr * 1hr/60min * 3785mL/gal = (7.49*3785)/60 mL/min