<human>:  Arlene hiked 24 miles on Saturday, carrying a 60-pound backpack. She is exactly 5 feet tall. She spent 6 hours hiking. The temperature during the day was 60 degrees Fahrenheit. What was Arlene's average hiking pace, in miles per hour?
<bot>: How many miles did Arlene hike? ** She hiked 24 miles.
How many hours did it take Arlene to hike? ** She spent 6 hours hiking.
What was Arlene's average hiking pace, in miles per hour? ** Her average pace was 24/6=<<24/6=4>>4 mph.
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