Question
Tommy jogged while Elyse walked from the same place but in opposite directions along a straight road. After 3 hours, they were 18 km apart. Tommy’s average speed was 1.6 km/h faster than Elyse’s average speed. What was Elyse’s average walking speed in km/h? Express your answer in decimal.
3 m

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Tommy jogged while Elyse walked from the same place but in opposite directions along a straight road. After 3 hours, they were 18 km apart. Tommy’s average speed was 1.6 km/h faster than Elyse’s average speed. What was Elyse’s average walking speed in km/h? Express your answer in decimal.