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27 votes
27 votes
Correct

The Cunninghams are moving across the country. Mr. Cunningham leaves 2.5 hours before Mrs. Cunningham. If he averages 85 mph
and she averages 95 mph, how many hours will it take Mrs. Cunningham to catch up to Mr. Cunningham?

User Siraris
by
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1 Answer

9 votes
9 votes

Answer:

It will take Mrs. Cunningham 22.5 hours to overtake her husband.

Explanation:

60t = 50(t + 4.5)

60t = 50t + 225

10t = 225

t = 22.5

User Gordon Westerman
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3.1k points