7 quarter hours either means
7 hours 15 minutes = 435 mins
(7 hours = 28 lots of 15 minutes)
(15 minutes = 1 lot of 15 minutes)
(Total = 29 lots of 15 minutes)
(29 x 15 = 435)
or
7 lots of 15 minutes = 105 minutes
(7 x 15 = 105)
Pretty sure its the first one though.
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There are 28 quarter hours in 7 hours. This is because there are 4 quarter hours in each hour, and when you multiply 4 by 7, you get 28. Each quarter hour represents 15 minutes, so 28 quarter hours would equal 420 minutes.
7 and 3/4 hours 7 hours, 45 minutes
7 hours and 15 minutes !
7 hours, 44 minutes.
7 hours in 420 minutes420 minutes = 7 hours.Divide by 60 when converting minutes to hours.