unit rate
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
Respond to this Question
Similar Questions

Physics
Bob runs a marathon (26 miles) in 4 hrs. Note 1609 is 1 mile. I found the average speed miles/hour which is equal to 6.5 mi/hr. I need to find meters/second? 
Math
The winner of the marathon at the 2004 Olympics in Athens was ________ with a time of 2 hrs 10 mins and 55 secs [2::10:55] The offical distance of the marathon is 42.195 KM. Estimate Baldinis average speed in KM per HR. Explain how … 
math
Can someone help me how to solve it. A new medically approved wheelchair was considered to be an improvement over a standard wheelchair by 325 out of 450 patients in a survery. 20) What is the margin of error for the survey? 
math
Maria ran in a 42 km marathon she covered the first half of the marathon from 0600 to 0715 hours and stopped and rest. She resumed running was able to cover the remaining distance from 0720 to 0935 hours. What was Maria's average speed … 
statistics
A study of 36 marathon runners showed that they could run at an average rate of 7.8 miles per hour. The sample standard deviation is 0.6. Find a point estimate of the population mean. Find the 90% confidence interval forthe mean of … 
physics please help
A marathon is and long. Estimate how many strides would be required to run a marathon. Assume a reasonable value for the average number of 3.1 ft/stride. 
Geometry
A marathon runner ran the first 4 miles in 27.8 minutes. If she continues running at this pace, how long will it take her to run the entire marathon of 26.2 miles? 
Math
The record for the Boston Marathon's wheelchair division is one hour 18 minutes and 27 seconds A) The Boston Marathon is 26.2 miles long what was the average speed of the record winner of the wheelchair division round to the nearest … 
Math
A marathon covers 26 miles and 385 yards. If a runner averages 1.8 meters per second, how long in hrs will it take to complete the marathon? 
physics
suppose you are able to run at a constant speed of 11mph how long would it take you to run a marathon which is 26.2 miles?