Question

in a school 7 periods a day each of 45 minutes how long it period be if the School has 9 periods a day asuming the numbers of hours to be same

Answer 1

Case 1 -
Periods = 7
Time of each period = 45 minutes
Time of all 7 periods = Time of school
= 45 * 7
= 315 minutes
= or 5.25 hours
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Case 2
Time of school = 315 Minutes ( 5.25 hours )
Periods = 9
So time of each period = 315 / 9 minutes
= 35 minutes
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Hope ot helps