SOLUTION: A plane flew at a constant speed and traveled 420 miles in 3 hours.How many miles did the plane travel per hour?

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Question 959883: A plane flew at a constant speed and traveled 420 miles in 3 hours.How many miles did the plane travel per hour?
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
To find mi/hr, divide the miles by the hours.