A person hiked 4 miles in 2 hours. A hiking guide needs
to find out how long it would take the person to hike 9
miles at the same rate. The guide's work is shown below.
Step 1: 4 miles - 2 hours = 2 miles per hour
Step 2: 2 miles per hour * 9 miles = 18 hours
Answer: The hiker would take 18 hours to hike 9
miles