Question
Lucas and Grace started driving from the same villa but in opposite directions along a straight road. After driving for 2 hours, they were 340 km apart. Lucas's average speed was 85 km/h. What was Grace's average speed?
2 m

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Lucas and Grace started driving from the same villa but in opposite directions along a straight road. After driving for 2 hours, they were 340 km apart. Lucas's average speed was 85 km/h. What was Grace's average speed?