Mathematics, 21.07.2019 06:20, masonsee4ytube

John traveled 80% of the way from yellow-town to green-fields by train at an average speed of 80 miles per hour. the rest of the way john traveled by car at an average speed of v miles per hour. if the average speed for the entire trip was 60 miles per hour, what is v in miles per hour?

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John traveled 80% of the way from yellow-town to green-fields by train at an average speed of 80 mil...