Question: A hiker can hike 1 mph downwards (south) to the desert than she can upwards (north) back to the campsite. If it takes her 3

A hiker can hike 1 mph downwards (south) to the desert than she can upwards (north) back to the campsite. If it takes her 3 hours to hike to the south and 4.5 hours to hike back to the campsite, what is her speed hiking back to the campsite? What is the equation?

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