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There are 24 hours in a day and scientists tell us that we should sleep for 3/8 of the day. How much time should we spend sleeping?

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quickstudent
An easy way to do this would be to convert the fraction into a decimal and multiply. You can use a calculator for this. Convert 3/8 into a decimal, which will be 0.375.   Now multiply  24 * 0.375 = 9.   So doctors say you should spend 9 hours sleeping.
The answer would be 9 hours.
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