Question
At 10.19 a.m., a car left Town U for Town V at an average speed of 72 km/h, while a truck left Town V for Town U at an average speed of 64 km/h. At 3.19 p.m., the two vehicles were 21 km apart. How far apart were the two towns?
3 m

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At 10.19 a.m., a car left Town U for Town V at an average speed of 72 km/h, while a truck left Town V for Town U at an average speed of 64 km/h. At 3.19 p.m., the two vehicles were 21 km apart. How far apart were the two towns?