Question
Robert and Andrew started driving from the same villa but in opposite directions along a straight road. After driving for 2 hours, they were 390 km apart. Robert's average speed was 90 km/h. What was Andrew's average speed?
2 m

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Robert and Andrew started driving from the same villa but in opposite directions along a straight road. After driving for 2 hours, they were 390 km apart. Robert's average speed was 90 km/h. What was Andrew's average speed?