This question cannot be answered sensibly. Miles per hour is a measure of speed, with dimensions [LT-1]. A second is a measure of time, with dimensions [T]. Basic dimensional analysis teaches that you cannot convert between measures with different dimensions such as these without additional information.
Traveling 100 meters in 80 seconds equates to an average speed of 2.79 miles per hour.
If you traveled at a constant rate of 75 miles per hour for 115 miles, it would take you 1.533 hours or 1 hour and 32 minutes. 1.533 hours is equal to 5520 seconds.
It is: 24*60*60 = 86,400 seconds
1 hour = 60 minutes 1 minute = 60 seconds 1 hour = 60 x 60 seconds = 3600 seconds
(1 mile / 75 seconds) x (3,600 seconds / hour) = 48 miles per hour
100 yards in 10 seconds 20.45 miles per hour.
3600 seconds equal an hour
(40 meters) per (ten seconds) is 8.94774517 miles per hour
Traveling 100 meters in 80 seconds equates to an average speed of 2.79 miles per hour.
9.77 mph
18.7 miles in 100 seconds = 673.2 miles per hour.
3600 seconds is equal to one hour.
There are 3600 seconds in one hour. Therefore, 40 miles per hour is equal to 40/3600 = 0.01 recurring (that is, 0.011111..) miles per second.
100 meters in 9.2 seconds is 24.3 miles per hour.
18/45 = 0.4 hour = 1,440 seconds
If you traveled at a constant rate of 75 miles per hour for 115 miles, it would take you 1.533 hours or 1 hour and 32 minutes. 1.533 hours is equal to 5520 seconds.
About 70 miles per hour.