Question
Ahmad jogged while Jane walked from the same place but in opposite directions along a straight road. After 4 hours, they were 30 km apart. Jane’s average speed was 2.1 km/h slower than Ahmad’s average speed. What was Jane’s average walking speed in km/h? Express your answer in decimal.
3 m

Click button first when a symbol is required. X

Ahmad jogged while Jane walked from the same place but in opposite directions along a straight road. After 4 hours, they were 30 km apart. Jane’s average speed was 2.1 km/h slower than Ahmad’s average speed. What was Jane’s average walking speed in km/h? Express your answer in decimal.