Question
Japheth jogged while Eva walked from the same place but in opposite directions along a straight road. After 3 hours, they were 18 km apart. Eva’s average speed was 1.4 km/h slower than Japheth’s average speed. What was Eva’s average walking speed in km/h? Express your answer in decimal.
3 m

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Japheth jogged while Eva walked from the same place but in opposite directions along a straight road. After 3 hours, they were 18 km apart. Eva’s average speed was 1.4 km/h slower than Japheth’s average speed. What was Eva’s average walking speed in km/h? Express your answer in decimal.