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1. Using proportions, it is found that Nyle hiked faster at a pace of 25 feet per minute down the mountain.

   What is a proportion?

   A proportion is a fraction of a total amount, and the measures are related using a rule of three. Due to this, relations between variables, either direct or inverse proportional, can be built to find the desired measures in the problem.

   For the mountain, he hiked 250 feet in 10 minutes, hence the rate is given by:

   rM = 250/10 = 25 feet per minute.

   For the second hike, he hiked 300 feet in 20 minutes,  hence the rate is given by:

   rS = 300/10 = 15 feet per minute.

   25 > 15, hence Nyle hiked faster at a pace of 25 feet per minute down the mountain.

   More can be learned about proportions at https://brainly.com/question/24372153

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