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10 votes
10 votes
Paul drove for one and a half hours at 65 mph before he realized he had forgotten his wallet. After Paul drove home and grabbed the wallet, he realized that he had only three hours to go one hundred eighty miles. At what speed should he drive to cover the distance in time?

Paul drove for one and a half hours at 65 mph before he realized he had forgotten-example-1
User Juergen
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1 Answer

23 votes
23 votes
60 mph, or r = 180 / 3, the third option
User Ettore Galli
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