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One hour is 60 minutes so one and a half hour is 60 + 30=90 minutes

Q: How many minutes are in one and one half of an hour?

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30 minutes = half an hour, because 60 minutes are one hour.

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

2.5 minutes

There are thirty minutes in one half hour.

One-hundred-and-fifty minutes is equivalent to two-and-a-half hours.

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30 minutes = half an hour, because 60 minutes are one hour.

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

90 minutes

One and one half of an hour equal 90 minutes.

90 minutes

2.5 minutes

There are thirty minutes in one half hour.

One-hundred-and-fifty minutes is equivalent to two-and-a-half hours.

60 minutes equals an hour and half an hour is 30 minutes so 60 min+30 min =90 minutes.

one hour is sixty mins half an hour is 30 so: 2x60+30=150 minutes

One and a half hour is 90 minutes.

There are 60 minutes to one hour, so 6x60=360. Half an hour is 30 minutes, so 360+30=390