Question
At 8.14 a.m., a car left Town S for Town T at an average speed of 75 km/h, while a truck left Town T for Town S at an average speed of 63 km/h. At 3.14 p.m., the two vehicles were 21 km apart. How far apart were the two towns?
3 m

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At 8.14 a.m., a car left Town S for Town T at an average speed of 75 km/h, while a truck left Town T for Town S at an average speed of 63 km/h. At 3.14 p.m., the two vehicles were 21 km apart. How far apart were the two towns?