Question

a school has 8 period a day each of 45 minute diration. how long would each period be, if the school jas 9 period a day, assuming the number of school hours to be the same​

Answer 1

Answer:

40 Min

Step-by-step explanation:

8*45=360

360/9=40

Answer 2

Answer:

Answer:Let x minutes be the duration of period when the school has 9 periods a day. ThenNumber of periods 8 , 9

Duraration of periods(in minutes 45,x Clearly, more the periods, less will be the duration of the period.

So, it is a case of inverse proportion.∴8×45=9×x

$x = \frac{8 \times 45}{9} = 40$

Hence, the duration of period is 40 minutes.