Question
Raeann and Alexander started driving from the same house but in opposite directions along a straight road. After driving for 3 hours, they were 450 km apart. Raeann's average speed was 90 km/h. What was Alexander's average speed?
2 m

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Raeann and Alexander started driving from the same house but in opposite directions along a straight road. After driving for 3 hours, they were 450 km apart. Raeann's average speed was 90 km/h. What was Alexander's average speed?