Question
Ivan jogged while Raeann walked from the same place but in opposite directions along a straight road. After 3 hours, they were 21 km apart. Ivan’s average speed was 1.9 km/h faster than Raeann’s average speed. What was Raeann’s average walking speed in km/h? Express your answer in decimal.
3 m

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Ivan jogged while Raeann walked from the same place but in opposite directions along a straight road. After 3 hours, they were 21 km apart. Ivan’s average speed was 1.9 km/h faster than Raeann’s average speed. What was Raeann’s average walking speed in km/h? Express your answer in decimal.