a hiker climbed down a 90 foot hill in five minutes what is his average change in elevation per minute
a hiker climbed down a 90 foot hill in five minutes what is his average change in elevation per minute
Here's a tip: The word "per" can always be replaced with "divided by"
Change in elevation = 90 feet
Time to go the distance = 5 minutes
feet per minute = 90/5 ft/min = 18 ft/min
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