Three And Five Gallon

You have a three gallon and a five gallon measuring device.

How to measure out four gallons?

Ah! Click here to read the solution.

Fill the five gallon container. Pour all but two gallons into the three gallon container.

Empty the three gallon container. Put the two remaining gallons from the five gallon container into the three gallon container.

Fill the five gallon container one more time. Pour one gallon from the five gallon container by filling the three gallon container.

Now the five gallon container contains four gallons. 🙂

You have a three gallon and a five gallon measuring device.

How to measure out four gallons?