No.
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yes out of 100 a half is 50 and four fifths is 80. ================================= Yes, to put it in perspective 1/2 can also be written as 5/10 and 4/5 can be written as 8/10 (8 is bigger than 5) or to put it another way using the clock: There are 60 mins in an hour 1/2 an hour is 30 mins 1/5 of an hour is 12 mins 4/5 of an hour is 48 mins
1 hour = 60 minutes so 1 hr and 20 mins = 60+20 = 80 mins. Simple!
The ratio of 50 minutes to 1 1/2 hours is 5:9. Once the units are the same they can be cancelled out and the numbers reduced by any common factor until their highest common factor is 1. 1 hours = 60 mins → 1½ hours = 1½ × 60 mins = 90 mins Therefore the ratio is: 50 mins : 1½ hours = 50 mins : 90 mins = 50 : 90 = 5 : 9
It's about 5/6th of an hour, 20 minutes longer than half an hour, 10 minutes short of an hour or the length of an average college lesson.
1 hour = 60 mins 1 min = 60 secs time = distance ÷ speed = 1 mile ÷ 6.5 mph = 2/13 hour = 2/13 x 60 mins = 93/13 mins = 9 mins 3/13 x 60 secs = 9 mins 1311/13 secs ≈ 9 mins 14 secs ≈ 9.25 mins