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fill the 7 gallon bucket, dump it into the 5 gallon bucket and save the remaining 2 gallons, repeat and you have 4 gallons.

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โˆ™ 2010-01-20 16:03:51
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Q: If You need 4 gallons but only have 5 gallon and 7 gallon buckets how do you get 4 gallons?
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