Question
Jack jogged while Cathy walked from the same place but in opposite directions along a straight road. After 5 hours, they were 30 km apart. Jack’s average speed was 1.2 km/h faster than Cathy’s average speed. What was Cathy’s average walking speed in km/h? Express your answer in decimal.
3 m

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Jack jogged while Cathy walked from the same place but in opposite directions along a straight road. After 5 hours, they were 30 km apart. Jack’s average speed was 1.2 km/h faster than Cathy’s average speed. What was Cathy’s average walking speed in km/h? Express your answer in decimal.