Question
Henry and Grace started driving from the same villa but in opposite directions along a straight road. After driving for 2 hours, they were 310 km apart. Henry's average speed was 65 km/h. What was Grace's average speed?
2 m

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Henry and Grace started driving from the same villa but in opposite directions along a straight road. After driving for 2 hours, they were 310 km apart. Henry's average speed was 65 km/h. What was Grace's average speed?