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The barrel itself weighs 20 pounds.

10 gallons of water, therefore, weights 103.4 minus the weight of the barrel itself.

103.4-20 = 83.4

20 is twice as much as ten, so 83.4 * 2 = 166.8 pounds.

If we add the barrel back in, we have a total weight of 166.8 + 20 = 186.8

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Michael Scalise

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Q: Muriel collects rainwater in a large barrel that weighs 20 pounds. When thereare 10 gallons of water in the barrel, the total weight of the barrel and thewater is 103.4 pounds. When there are 20 gallons of water, the total weight is186.8 pounds?
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