posted by Regan .
Marathon wheelchair division is 1hr 18min.and 27sec.
Marathon is 26.2 miles long. What is the average speed of the winner in the wheelchair division? round to the nearest hundred
help I don't get it.
time = 1 : 18 : 27
= 1 hr + 18/60 hrs + 27/3600 hrs
= 1.3075 hrs
speed = 26.5/1.3075 mph
= 20.26768 mph