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kap26 [50]
3 years ago
15

A barrel of water weighs 20 pounds. What must you add to it to make it weigh 12 pounds?

Health
1 answer:
grandymaker [24]3 years ago
7 0
3628.74 liters of helium balloon


will keep the 20 pounds of water and also give you a mass of 12 pounds.
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