Question

a school has 6 periods a day ,each of duration 60 minutes .if the school decides to have 9 periods ,in the same school hours,how long would each period be ?

Answer 1

Given :-

Current no. of periods = 6

Duration of current periods = 60 min

Future no. of periods = 9

To Find :-

The duration of future periods.

Solution :-

We know that,

Current school hours (in total) can be found out by multiplying the number of current periods with the duration of each current periods.

Current school hours = (6 × 60) min

= 360 min

= 6 hours

The school has decided to keep the school hours unchanged.

Therefore new school hours = 360 min

&

New number of periods = 9

Duration of new periods = ${\dfrac{360}{9}}$

= 40 min

Therefore, each period would be of 40 minutes.

Answer 2

Question

A school has 6 periods a day ,each of duration 60 minutes .if the school decides to have 9 periods ,in the same school hours,how long would each period be ?

Solution

A school has 6 periods a day.

Each of duration = 60mins.

Duration for 6 periods = (60×6)mins = 360mins

If the school decides to have 9 periods in the same school hours.

Then, duration for 1 period during the same school hours = (360/9) mins = 40 mins

Ans:- Each period would be of 40 mins if 9 periods are added during the school hours.