Question
At 1.18 p.m., a car left Town S for Town T at an average speed of 80 km/h, while a truck left Town T for Town S at an average speed of 79 km/h. At 9.18 p.m., the two vehicles were 15 km apart. How far apart were the two towns?
3 m

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At 1.18 p.m., a car left Town S for Town T at an average speed of 80 km/h, while a truck left Town T for Town S at an average speed of 79 km/h. At 9.18 p.m., the two vehicles were 15 km apart. How far apart were the two towns?