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Kai calculates that he spends 15% of a school day in science class. If he spends 75 minutes in science class, how many minutes does he spend in school?
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Kai calculates that he spends 15% of a school day in science class. If he spends 75 minutes in science class, how many minutes does he spend in school?

User Trey Piepmeier
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1 Answer

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make a porportion

15 100
---- = ------
75 x

now cross multiply and divide

100 times 75 divided by 15=500

5oo minutes in school
User Imani
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