Question

. A school starts at 7:45 am and there
are five periods of 1 hour 35 minutes
each. At what time does the school
close?
hann sang​

Answer 1

The school closes at 3 : 40 pm

Solution:

Given that,

A school starts at 7:45 am

There  are five periods of 1 hour 35 minutes  each

Therefore,

Duration of 1 period = 1 hour 35 minutes

We know that,

1 hour = 60 minutes

Therefore,

1 hour 35 minutes = 60 minutes + 35 minutes = 95 minutes

Find duration of 5 periods:

$Duration\ of\ 5\ periods = 5 \times 95\ minutes\\\\Duration\ of\ 5\ periods = 475\ minutes$

$Time\ in\ hours = \frac{475}{60}\ hours = 7\ hours\ 55\ minutes$

At what time does the school  close?

school starts at 7:45 am

Therefore,

Closing time = 7 : 45 am + 7 hours 55 minutes

Closing time = 3 : 40 pm

Thus the school closes at 3 : 40 pm

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