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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 Innocent
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60 mph, or r = 180 / 3, the third option
User RedEagle
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