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How long is 90 minutes in hours?

In: Math and Arithmetic, Mathematical Finance, Time [Edit categories]

Answer:

1 1/2 hours

First answer by ID2329028212. Last edit by ID2329028212. Question popularity: 0 [recommend question].

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How long is 1222 minutes in hours and minutes?
1222 minutes = 20 hours and 22 minutes
How many hours are there in 90 minutes?
60 minutes = 1 hour 90 minutes = 90 / 60 hours = 1.5 hours
How many hours in 90 minutes?
1.5 hours.
How many hours is 90 minutes?
One and a half hours.
Why are hours 60 minutes long?
I think it was a convenience, as people began to need smaller time intervals than 1 hour to agree on. Before mechanical clocks, if you had to agree on a meeting time with someone, the closest you...