Question
At 1.16 p.m., a car left Town V for Town W at an average speed of 90 km/h, while a truck left Town W for Town V at an average speed of 78 km/h. At 5.16 p.m., the two vehicles were 21 km apart. How far apart were the two towns?
3 m

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At 1.16 p.m., a car left Town V for Town W at an average speed of 90 km/h, while a truck left Town W for Town V at an average speed of 78 km/h. At 5.16 p.m., the two vehicles were 21 km apart. How far apart were the two towns?