During a rainstorm, 15 litres of water fell per square metre. By how much did the water level in Michael's outdoor pool rise?
Question
During a rainstorm, 15 litres of water fell per square metre. By how much did the water level in Michael's outdoor pool rise?
Solution
To answer this question, we need to know the area of Michael's outdoor pool. The amount of water that fell into the pool is 15 litres per square metre, so if we know the area of the pool, we can calculate how much the water level rose.
Here are the steps:
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Determine the area of the pool in square metres. This could be done by measuring the length and width of the pool and multiplying them together if the pool is rectangular, or by using the formula πr² if the pool is circular.
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Multiply the area of the pool by 15 to find out how many litres of water fell into the pool during the rainstorm.
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Since 1 litre of water is equivalent to 0.001 cubic metres, convert the volume of water from litres to cubic metres by multiplying by 0.001.
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Finally, divide the volume of water in cubic metres by the area of the pool in square metres to find out how much the water level rose. This will give the answer in metres.
Please note that this calculation assumes that none of the rainwater splashed out of the pool or was absorbed into the ground, and that the pool was not already full before the rainstorm.
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