Question

tell me the answer by solving in notebook.... a school has

Answer 1

Total time of all periods
45*8
360 minutes
So in 9 periods it will be
360/9
40 minutes
Hope it helps

Answer 2

☺️ I hope it's help you

Except lunch

each periods are of 45 minutes

means 8 periods = 45×8=360 minute

360/60= 6 hr

x=360/9=40 minutes

x is new time for each period.