Question
At 11.50 a.m., a car left Town M for Town N at an average speed of 87 km/h, while a truck left Town N for Town M at an average speed of 73 km/h. At 4.50 p.m., the two vehicles were 15 km apart. How far apart were the two towns?
3 m

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At 11.50 a.m., a car left Town M for Town N at an average speed of 87 km/h, while a truck left Town N for Town M at an average speed of 73 km/h. At 4.50 p.m., the two vehicles were 15 km apart. How far apart were the two towns?