A man is running through a train tunnel. When he is 2 5 of the way through, he hears a train approaching the tunnel from behind him at a speed of 60 kilometers per hour. Whether he runs ahead or he runs back, he will reach an end of the tunnel at the same time the train reaches that end. At what rate, in kilometers per hour, is he running

Three friends went on a road trip from phoenix, az, to san diego, ca. mark drove 50 percent of the distance. jason drove 1/8 of the distance. andy drove the remainder of the distance. 1. andy thinks he drove 1/4 of the distance from phoenix, az, to san diego, ca. is andy correct? 2. the distance from phoenix, az, to san diego, ca, is 360 miles. how many miles did each person drive? 3. solve the problem. what is the answer in total?