Answer:
a. 46.89 mph
b. 0.781 mi/min
c. 4126.22 ft/min
d. 68.77 ft/s
e. 1.28 min/mi
Explanation:
a. Miles per hour
1. Convert 4 hours and 30 minutes into hours (4.5 hours).
2. Divide the distance traveled by the new time.
MPH = 211 mi / 4.5 hours = 46.89 mph
b. Miles per minute
1. Convert 4 hours and 30 minutes into minutes: (4*60+30) = 270 minutes
2. Divide the distance traveled by the new time
MPM = 211 mi / 270 min =0.781 mi/min
c. feet per minute
1. Use the converted time from part b (270 minutes)
2. Convert the distance traveled from miles to feet: (211*5280=1114080 ft)
3. Divide the converted distance by the converted time
ft/min = 1114080 ft / 270 minutes = 4126.22 ft/min
d. feet per second
1. Convert the time into seconds (270 minutes * 60 sec/min) = 16200 sec
2. Use the converted distance from part c (1114080 ft)
3. Divide the converted distance by the converted time
ft/s = 1114080 ft / 16200 sec = 68.77 ft/s
e. minutes per mile
1. use the converted time from part b (270 minutes)
2. divide the time by the distance traveled
minutes/mi = 270 min / 211 mi = 1.28 min/mi