sat suite question viewer
Problem-Solving and Data Analysis
Difficulty: Easy
A group of monarch butterflies migrated from Chicago, Illinois, to Michoacán, Mexico, flying a total of 2,100 miles. It took a single butterfly in the group 120 days to travel this route one way. On average, how many miles did the butterfly travel per day?
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Explanation
Choice C is correct. If the butterfly traveled 2,100 miles in 120 days, then it traveled, on average, 
miles per day.
Choice A is incorrect. This is approximately the average amount of time, in days, it took the butterfly to fly one mile: 
days per mile. Choice B is incorrect and may result from an arithmetic error. Choice D is incorrect. This is the number of hours in a day rather than the number of miles flown per day.