Mathematics, 04.01.2021 14:00 paatnguyyen

Two cars start from the same point and move in a straight line, one east at a speed of 60 km per hour and the other west at a speed of 80 km per hour. After what time will they live at a distance of 770 km?

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Two cars start from the same point and move in a straight line, one east at a speed of 60 km per hou...

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