SOLUTION: The Browns are moving across the country. Mr. Brown leaves 4.5 hours before Mrs. Brown. If he averages 70mph and she averages 80mph, how many hours will it take Mrs. Brown to cat

SOLUTION: The Browns are moving across the country. Mr. Brown leaves 4.5 hours before Mrs. Brown. If he averages 70mph and she averages 80mph, how many hours will it take Mrs. Brown to cat

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Question 1181111: The Browns are moving across the country. Mr. Brown leaves 4.5 hours before Mrs. Brown. If he averages 70mph and she averages 80mph, how many hours will it take Mrs. Brown to catch up to Mr. Brown?
Answer by josgarithmetic(39620) (Show Source): You can put this solution on YOUR website!
Mr. Brown has traveled , when Mrs. Brown begins traveling.

Her approach rate to Mr. Brown is 10 miles per hour. If she will need x hours to catch up, then and you can solve.
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