4/5
Since there are 60 minutes in one hour then 45 minutes is 45/60 = 3/4 hour
45/60 divided by 5 is 9/12 divide by 3 is 3/4.
To travel 200 miles at 450 mph takes 26 min 40 sec. time = distance / speed = 200 miles / (450 miles / hour) = 4/9 hour ≈ 0.444 hour 1 hour = 60 min → 4/9 hour = 4/9 × 60 min = 26 2/3 min ≈ 26.667 min 1 min = 60 sec → 2/3 min = 2/3 × 60 sec = 40 sec
1/4
15 minutes is 1/4 hour or .25 hours.
4/5
The fractional part of the hour spent doing math was a 1/4.
Since there are 60 minutes in one hour then 45 minutes is 45/60 = 3/4 hour
45/60 divided by 5 is 9/12 divide by 3 is 3/4.
To travel 200 miles at 450 mph takes 26 min 40 sec. time = distance / speed = 200 miles / (450 miles / hour) = 4/9 hour ≈ 0.444 hour 1 hour = 60 min → 4/9 hour = 4/9 × 60 min = 26 2/3 min ≈ 26.667 min 1 min = 60 sec → 2/3 min = 2/3 × 60 sec = 40 sec
3/4
It is 3/4.
3/4
15 minutes is 1/4 of an hour
3/4
1/4