SOLUTION: Two cars start at an interstate interchange and travel in the same direction at average speeds of 40 miles per hour and 55 miles per hour. How much time must elapse before the two

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Question 345202: Two cars start at an interstate interchange and travel in the same direction at average speeds of 40 miles per hour and 55 miles per hour. How much time must elapse before the two cars are 5 miles apart?
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


55 mph minus 40 mph is 15 mph. How long does it take to go 5 miles at 15 mph?

John

My calculator said it, I believe it, that settles it
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