Best Answer

there are 60 seconds in one minute; 3600 seconds in one hour

at 1 hr 15 minutes that is 3600 + 15x60 = 4500 seconds

Q: How many secods is there in 1 hour and 15 minutes?

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15 minutes to the hour.

There are 15 minutes in a quarter of an hour

One hour = 60 minutes Quarter hour = 15 minutes 60 + 15 = 75 Minutes

There are 30 minutes in half an hour and 15 minutes in a quarter of an hour

There are 15 minutes in a quarter hour.

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15 minutes to the hour.

There are 15 minutes in a quarter of an hour

One hour = 60 minutes Quarter hour = 15 minutes 60 + 15 = 75 Minutes

There are 30 minutes in half an hour and 15 minutes in a quarter of an hour

There are 15 minutes in a quarter hour.

It is: 15 minutes past the hour

1 hour 15 minutes is 4,500 seconds.

If you mean of an hour then 0.25 of an hour is 15 minutes

There are 15 minutes in a quarter hour.

1/4 of an hour is 15 minutes.

an hour and 15 minutes or an hour and 1/4 minutes

15 minutes. One hour is 60 minutes, so half (1/2) an hour would be 30 minutes, and a quarter (1/4) hour 15 minutes.