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Mathematics, 16.10.2020 16:01 bonnysvalentine

Between 9 P. M. and 6:54 A. M., the water level in a swimming pool decreased by 9/20. Assuming that the water level decreased at a constant rate, how much did the water level drop each hour?

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Between 9 P. M. and 6:54 A. M., the water level in a swimming pool decreased by 9/20. Assuming that...
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