Question

A school has 8 periods a day of 45 minutes each. If the school decides to have 9 periods a day without increasing the number of school hours, how long would each period be?
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Answer 1

Answer:

Step-by-step explanation:

8 periods a day of 45 minutes each.

if the school decides to have 9 periods a day without increasing the number of school hours

8×45=9×y

Or,y=8×45/9=40

40 minutes would be each period.

Answer 2

Answer:

given time period x given minutes/new time period

=8x45/9=40minutes