Two cars started from the same point and traveled on a straight course in opposite directions for exactly 2 hours, at which time

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问题 Two cars started from the same point and traveled on a straight course in opposite directions for exactly 2 hours, at which time they were 208 miles apart. If one car traveled, on average, 8 miles per hour faster than the other car, what was the average speed of each car for the 2-hour trip?

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答案48 mph and 56 mph

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Two cars started from the same point and traveled on a straight course in opposite directions for exactly 2 hours, at which time

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Accordingtoarecentsurvey,employeesinmanycompaniestodayworklongerhoursthanemployeesdidin1979．Theyalsotakeshor

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