Question
At 7.30 a.m., a car left Town P for Town Q at an average speed of 87 km/h, while a truck left Town Q for Town P at an average speed of 65 km/h. At 1.30 p.m., the two vehicles were 18 km apart. How far apart were the two towns?
3 m

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At 7.30 a.m., a car left Town P for Town Q at an average speed of 87 km/h, while a truck left Town Q for Town P at an average speed of 65 km/h. At 1.30 p.m., the two vehicles were 18 km apart. How far apart were the two towns?