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Travel Time Math
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Travel Time: How long will Andy's hike take?
Andy is going hiking in Denali National Park. Winter is coming, and the park road has just been closed to all motorized traffic. Without snow, he can�t run his sled dogs into the park: He must walk. To start his hike, Andy parks his car at mile 3.4 of the road, at park headquarters. He then hikes 6 miles to milepost 9.4, to the Mt. McKinley Overlook. This part of the hike is difficult, because the road travels uphill the entire way. Once at the overlook, he takes a 30-minute break, admiring Mt. McKinley and several caribou roaming the tundra. After this break, he retraces his hike to his truck, at mile 3.4.
Once back at his truck, he realizes that the second part of his hike took less time than the first part. He looks at his GPS (Global Positioning Unit), and finds that he walked at 3 miles per hour going to the overlook. On the way back he traveled at 4 miles per hour.
Questions:
Answer in #'s (example: '2', not 'two')
1. How long, in minutes, did it take for Andy to get to the Overlook?
Minutes
2. How long, in minutes, did it take for Andy to get back to his truck?
Minutes
3. How many minutes did he spend hiking?
Minutes
4. How long, including his break at the overlook, was he away from his truck?
Minutes
Useful Formulas:
Time Travelled (Hours) = Miles Travelled / Miles Per Hour
Minutes Travelled = Hours Travelled x 60
