how many periods are there in the time of 9 a.m. to 3 p.m. if one period is of 45 minutes.
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=8 periods
As 1 period = 45 minutes
and we know that between 9 AM to 3 PM there are 6 hours = 6 × 60 = 360 minutes
i.e., 45 × 8 = 360
Thus 8 periods.
Hope it helps : )
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