SOLUTION: The Smiths are moving across the country. Mr. Smith leaves 3 hours before Mrs. Smith. If he averages 65mph and she averages 80mph, how many hours will it take Mrs. Smith to catch

Question 1188650: The Smiths are moving across the country. Mr. Smith leaves 3 hours before Mrs. Smith. If he averages 65mph and she averages 80mph, how many hours will it take Mrs. Smith to catch up to Mr. Smith?
Answer by Shin123(626) (Show Source): You can put this solution on YOUR website!
Since Mr. Smith leaves 3 hours before Mrs. Smith, Mr. Smith is miles ahead when Mrs. Smith leaves. Since Mrs. Smith travels 15 mph faster than Mr. Smith, every hour, Mrs. Smith gets 15 miles closer to Mr. Smith. Therefore, it will take Mrs. Smith hours to catch up.
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