Question

A school has 8 periods a day each of 45 mins duration.How long would each period be if,the school has 9 periods a day,assuming the number of school hours to be the same?

Answer 1

the answer is forty because,

$45 \times 8 \div 9 = x$
$x = 40$

Answer 2

Answer ==>

40 minutes

EXPLAINATION -

A school has 8 periods a day each of 45 mins duration.

Then,

the no. of minutes per day

45 × 8

360 minutes

6 hours

if the school has 9 periods a day

Then,

the length of each period be

9 periods = 360 minutes ( because given here the number of school hours to be the same )

then,

the length of 1 period be

1 period = 360/9 minutes

1 period = 40 minutes.

Hence,

The length of each period is 40 minutes

HERE IS YOUR ANSWER