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01-03-2017
Mathematics

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It takes about 20 minutes to grade a student’s paper. how long, in hours, does it take to grade papers for a class of 25 people?

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01-03-2017

You have to multiply the 20 min by the number of student in the class which are 25. Then take the minutes and devide them by the number of minutes in an hour.

20 x 25 = 500 minutes
500/60 = 8.3333 (round down) 8 hrs

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