SOLUTION: How many mph is a car traveling if it takes 40 seconds to travel a distance of a quarter of a mile?

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Question 374028: How many mph is a car traveling if it takes 40 seconds to travel a distance of a quarter of a mile?
Answer by checkley79(3341) About Me  (Show Source):
You can put this solution on YOUR website!
40/(60*60)=.25/x
40/3,600=.25/x
40x=.25*3600
40x=900
x=900/40
x=22.5 mph.