You have a 3-gallon jug and a 5-gallon jug. You need to measure out exactly 7 gallons of water. How can you do it?

You get 2 jugs of the 5 gallons and then take out 3 gallons using the 3 gallon jug. You end up getting 10-3=7 gallons.

Answered by MichaelLiu | 2024-06-10

To measure 7 gallons using a 3-gallon and a 5-gallon jug, first fill the 5-gallon jug and pour into the 3-gallon jug until it is full, leaving 2 gallons in the 5-gallon jug. After emptying the 3-gallon jug, pour the 2 gallons from the 5-gallon jug into it, refill the 5-gallon jug, and pour into the 3-gallon jug until it is full, which results in 4 gallons remaining in the 5-gallon jug. Hence, you have successfully measured 7 gallons of water.
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Answered by Anonymous | 2024-12-20