michellemariemoodley michellemariemoodley

06-09-2020
Mathematics

contestada

The Smiths are moving across the country. Mr. Smith leaves 4 hours before Mrs. Smith. If he averages 60mph and she averages 80mph, how many hours will it take Mrs. Smith to catch up to Mr. Smith?

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musiclover10045 musiclover10045

06-09-2020

60 miles per hour x 4 hours = 240 miles

Mr smith was 240 miles ahead of Mrs/ smith

The difference in speeds was 80 - 60 = 20 miles per hour

240 miles / 20 miles per hour = 12 hours.

It takes 12 hours to catch up.

Answer Link

tracysiler89 tracysiler89

18-05-2022

Answer:

12 hours

Step-by-step explanation:

Answer Link

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