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18 November, 22:43

You have a hose connected to a water outlet, a 5 gallon can and a 3 gallon can. I need exactly 4 gallons of water for my lobster stew. How can you deliver exactly 4 gallons?

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  1. 19 November, 01:18
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    The steps to deliver exactly 4 Gallons of water are explained in the explanation.

    Explanation:

    The given scenario is that the amount of water needed is exactly 4 Gallons, while the scales of measurement are limited to 3 Gallons and 5 Gallons, in the form of Cans.

    Therefore, we follow following steps to get exactly four Gallons:

    1. Fill the 3 Gallon can, completely.

    2. Pour these 3 Gallons into the 5 Gallon Can.

    3. Fill the 3 Gallon Can again.

    4. Pour this into 5 Gallon can again, but this time 5 Gallon can only has a space of 2 Gallon (3 Gallons already filled). Therefore, only 2 Gallons will be poured and the rest 1 Gallon will be left in the 3 Gallons Can.

    5. Now, empty the 5 Gallons Can and pour the remaining 1 Gallon, from the 3 Gallons can into it.

    6. Now fill the 3 Gallons can from hose completely, and pour it all into 5 Gallons Can. Since the 5 Gallons Can already had 1 Gallon water in it. Thus, the addition of these 3 Gallons make it exactly 4 Gallons of water.

    In this way, we can deliver exactly 4 Gallons of water.
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