Question
Grace and Matthew started driving from the same flat but in opposite directions along a straight road. After driving for 2 hours, they were 290 km apart. Grace's average speed was 85 km/h. What was Matthew's average speed?
2 m

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Grace and Matthew started driving from the same flat but in opposite directions along a straight road. After driving for 2 hours, they were 290 km apart. Grace's average speed was 85 km/h. What was Matthew's average speed?