Question

A school has periods a day each of 45 minutes dration. How long would each period
become in the school has o periods a day? (assuming the number of school hours to be
the same)​

Answer 1

Step-by-step explanation:

Let the duration of each period, when there are 9 periods a day in the school, be x minutes. The following table is obtained. Hence, in this case, the duration of each period will be 40 minutes.