posted by Dhiraj on .
Cars P and Q started simultaneously from opposite ends of a straight 300-mile expressway and traveled toward each other, without stopping, until they passed atlocation X . To the nearest mile, how many miles of the expressway had car P traveled when the two cars passed each other?
(1) Up to location X , the average speed of car Q was 15 miles per hour faster than that of car P .
(2) Up to location X , the average speed of car Q was four by three times that of car P . ans?