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Two cars are approaching an intersection on roads that are perpendicular to each other. Car A...

Two cars are approaching an intersection on roads that are perpendicular to each other. Car A is north of the intersection and traveling south at 55 mph. Car B is east of the intersection and traveling west at 50 mph. How fast is the distance between the cars changing when car A is 20 miles from the intersection and car B is 15 miles from the intersection? (Round your answer to two decimal places.)

____mph

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