Question
Simon jogged while Marion walked from the same place but in opposite directions along a straight road. After 3 hours, they were 18 km apart. Marion’s average speed was 1.9 km/h slower than Simon’s average speed. What was Marion’s average walking speed in km/h? Express your answer in decimal.
3 m

Click button first when a symbol is required. X

Simon jogged while Marion walked from the same place but in opposite directions along a straight road. After 3 hours, they were 18 km apart. Marion’s average speed was 1.9 km/h slower than Simon’s average speed. What was Marion’s average walking speed in km/h? Express your answer in decimal.