Mathematics, 28.12.2021 23:30 pennygillbert

When the swimming pool is 25% full, it takes 2250 cubic meters (m3) to fill it up from that point. When it is full, it can be emptied at a rate of 120 m3/h. How many hours does it take to empty an 80% full pool?

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When the swimming pool is 25% full, it takes 2250 cubic meters (m3) to fill it up from that point. W...

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