Mathematics, 08.12.2019 10:31, javonteoshamccaliste

Dave walked to his friend's house at a rate of 4 mph and returned back biking at a rate of 10 mph. if it took him 18 minutes longer to walk than to bike, what was the total distance of the round trip?

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Dave walked to his friend's house at a rate of 4 mph and returned back biking at a rate of 10 mph. i...