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Q: If you have a huge pail that when it's filled to the top with water weighs 100 pounds What can you add to the barrel to make it lighter?

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Yes, the PSP 3000 weighs 1.5 pounds and the PSP 2000 weighs 1.9 pounds.

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

Another 12.625 gallons of water!

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