345 minutes.
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forty-five minutes
A hour is sixty minutes Divide the hour by 4 gives you 1 fourth which equals 15 minutes The question requires three fourths so multiply 15 by 3 to get three fourths. 15x3=45. Three fourths of an hour is 45 minutes.
45 minutes !
75 minutes, but that's way more than an hour
There are 60 minutes in 1 hour. Plus 15 minutes in one fourth hour. Adding them together makes 75 minutes.