The winner of the 2008 Iditarod Trail Sled Dog Race was Lance Mackey. The course is 1112 miles long. His time was 9
days, 11 hours, 46 minutes, and 48 seconds.
Part A
What was Mackey's average speed in miles per hour? Round your answer to the nearest hundredth.
miles per hour
Part B
Imagine you are watching the 2008 race and Mackey is at the one-quarter mark. How many miles has he
traveled?
miles
Part C
If Mackey is traveling at the average speed you determined in part (a), how many miles will he travel in half a day?
miles
Part D
If y represents the distance and t represents the time, write an equation to represent this situation.