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OpenStudy (anonymous):

John drove 450 miles in 8 hours. He averaged 50 miles per hour on the highway and 60 miles per hour on the turnpike. How many hours did he drive on the highway? @ßαbчღ @Nurali

OpenStudy (anonymous):

Lol Nurali got it from http://www.helpfulbox.com/ans/Mathematics_Science/385546

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