February 26, 2017

Homework Help: Math

Posted by Raz on Sunday, September 22, 2013 at 5:07pm.

Two cars run at constant speeds around a one-mile racetrack. If the cars circle the track in the same direction, the faster car passes the slower car every 10 minutes. If the cars circle the track in opposite directions, the cars meet every 30 seconds. Find the speed of the faster car in miles per hour.

The racetrack is 'circular' in the sense that the start and end points are the same, and the cars are running laps around the racetrack at a constant speed.

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