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From where highways404 (running north and south)and the 401(running east and west) cross in Toronto, car...

From where highways404 (running north and south)and the 401(running east and west) cross in Toronto, car A is 100km north of the 401 travelling south (towards the 401) at the constant speed of 100km/hour. Car B is 200km west of the 404 travelling east (towards the 404) at a constant speed of 100km/ hour. Assuming both cars do not stop, find the time that the cars are at theirminimum distance from each other.? What is that distance?

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