Question
Cody jogged while Julie walked from the same place but in opposite directions along a straight road. After 4 hours, they were 30 km apart. Julie’s average speed was 1.7 km/h slower than Cody’s average speed. What was Julie’s average walking speed in km/h? Express your answer in decimal.
3 m

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Cody jogged while Julie walked from the same place but in opposite directions along a straight road. After 4 hours, they were 30 km apart. Julie’s average speed was 1.7 km/h slower than Cody’s average speed. What was Julie’s average walking speed in km/h? Express your answer in decimal.