The chandlers are moving across the country. Mr.Chandler leaves 3.5 before Mrs. Chandler. If he averages 80 mph and she averages 90 mph, how many hours will it take Mrs. Chandler to catch up to Mr. Chandler?

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Answer:

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Step-by-step explanation:

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Answer:

Step-by-step explanation:

90t=80(t+3.5) expand right side

90t=80t+280 subtract 80t from both sides

10t=280 divide both sides by 10

t=28 hours