Question: It took Ryan less time to hike down than it did to hike up. Ernest thinks that was because Ryan jogged down the same trail

It took Ryan less time to hike down than it did to hike up. Ernest thinks that was

because Ryan jogged down the same trail he went up. Emma thinks the trail down

was steeper than the trail up. Whose hypothesis is valid: Ernest's, Emma's, or both?

Write a detailed explanation of whether each hypothesis is an acceptable

interpretation of the graph.

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