A car traveling at x mph takes 5 hours to go from city A to city B. Traveling at x – 15 mph, the car makes the return trip in hours. What was the speed of the car on the return trip?

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A car traveling at x mph takes 5 hours to go from city A to city B. Traveling at x – 15 mph, the car makes the return trip in <img alt='Image60910.EPS' class='fractions9' src='https://www.fatskills.com/images4/nursingalliedhealth/Image60910_fmt.png'/> hours. What was the speed of the car on the return trip?






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