Question
At 12 p.m., a car left City P for City Q at an average speed of 90 km/h while a van left City Q for City P at an average speed of 75 km/h. At 3.40 p.m., the two vehicles were 15 km apart. Find the distance between City P and City Q.
3 m

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At 12 p.m., a car left City P for City Q at an average speed of 90 km/h while a van left City Q for City P at an average speed of 75 km/h. At 3.40 p.m., the two vehicles were 15 km apart. Find the distance between City P and City Q.