Question
Rachel and Sophia started driving from the same villa but in opposite directions along a straight road. After driving for 2 hours, they were 320 km apart. Rachel's average speed was 90 km/h. What was Sophia's average speed?
2 m

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Rachel and Sophia started driving from the same villa but in opposite directions along a straight road. After driving for 2 hours, they were 320 km apart. Rachel's average speed was 90 km/h. What was Sophia's average speed?