Question
Scarlett and Emma started driving from the same villa but in opposite directions along a straight road. After driving for 3 hours, they were 420 km apart. Scarlett's average speed was 70 km/h. What was Emma's average speed?
2 m

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Scarlett and Emma started driving from the same villa but in opposite directions along a straight road. After driving for 3 hours, they were 420 km apart. Scarlett's average speed was 70 km/h. What was Emma's average speed?