Points A and B are 90 km apart from each other on a highway. A car starts from A and another from B at the same time. If they go in the same direction they meet in 9 hours and if they go in opposite directions they meet in 9/7 hours. Find their sppeds.

Here is the answer to your question.
Let the speed of cars A and B be x km/hr and y km/hr respectively.
Assume, speed of car A > Speed of Car B.
∴ Speed of Car A = 40 km/hr
Speed of Car B = 30 km/hr

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