Question
Charlie jogged while Min walked from the same place but in opposite directions along a straight road. After 2 hours, they were 15 km apart. Min’s average speed was 2.3 km/h slower than Charlie’s average speed. What was Min’s average walking speed in km/h? Express your answer in decimal.
3 m

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Charlie jogged while Min walked from the same place but in opposite directions along a straight road. After 2 hours, they were 15 km apart. Min’s average speed was 2.3 km/h slower than Charlie’s average speed. What was Min’s average walking speed in km/h? Express your answer in decimal.