SOLUTION: How do I figure out the anser to the following question? An airplane is traveling at a rate of 105 miles in 15 minutes. What is the airplane's speed in miles per hour?

Question 413133: How do I figure out the anser to the following question? An airplane is traveling at a rate of 105 miles in 15 minutes. What is the airplane's speed in miles per hour?
Answer by richard1234(7193) (Show Source): You can put this solution on YOUR website!
distance = rate*time, assuming the rate is linear and constant. Rearranging the variables, we get

rate = distance/time

rate = (105 mi)/(15 min) = 7 mi/min

There are 60 minutes in one hour, so

(7 mi/min)*(60 min/hr) = 420 mi/hr.

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