Question
Gabriel and Joseph started driving from the same house but in opposite directions along a straight road. After driving for 2 hours, they were 320 km apart. Gabriel's average speed was 80 km/h. What was Joseph's average speed?
2 m

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Gabriel and Joseph started driving from the same house but in opposite directions along a straight road. After driving for 2 hours, they were 320 km apart. Gabriel's average speed was 80 km/h. What was Joseph's average speed?