Question
Lilian and Riordan started driving from the same villa but in opposite directions along a straight road. After driving for 2 hours, they were 300 km apart. Lilian's average speed was 75 km/h. What was Riordan's average speed?
2 m

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Lilian and Riordan started driving from the same villa but in opposite directions along a straight road. After driving for 2 hours, they were 300 km apart. Lilian's average speed was 75 km/h. What was Riordan's average speed?