An electric pump can fill a tank in 3 hours. Because of a leak in the tank, it took 3 ½ hours to fill the tank. The leak can drain out all the water of the tank in……5
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Q: An electric pump can fill a tank in 3 hours. Because of a leak in the tank, it took 3 ½ hours to fill the tank. The leak can drain out all the water of the tank in……
- 110 ½ hrs.false
- 212 hrs.false
- 321 hrs.true
- 424 hrs.false
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