From the pool, water flows out through the pipe, the water level in the pool in 5 minutes has dropped by minus 45 cm.
| January 10, 2021 | education
From the pool, water flows out through the pipe, the water level in the pool in 5 minutes has dropped by minus 45 cm. How many centimeters the water level in the pool has dropped in a minute.
In order to find by how many centimeters the water level will drop in a minute, you need the number of centimeters by which the water level dropped in 5 minutes, divided by the time during which the water level dropped by 45 centimeters:
45: 5 = 9 (cm) – the water level dropped in 1 minute.
Answer: the water level in the pool dropped by 9 centimeters in a minute.
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