Question
William and Roshel started driving from the same flat but in opposite directions along a straight road. After driving for 4 hours, they were 480 km apart. William's average speed was 60 km/h. What was Roshel's average speed?
2 m

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William and Roshel started driving from the same flat but in opposite directions along a straight road. After driving for 4 hours, they were 480 km apart. William's average speed was 60 km/h. What was Roshel's average speed?