12-06-2022
Mathematics

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A school board is proposing a 5% decrease in the length of the school day. Currently the school day is 7 hours (420 minutes) long. How many minutes shorter would the school day be with the proposed decrease?

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jasleneanton jasleneanton

12-06-2022

The school day would be 21 minutes shorter.
5% of 420 is 21.

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