Question
Owen jogged while Nora walked from the same place but in opposite directions along a straight road. After 3 hours, they were 21 km apart. Owen’s average speed was 1.7 km/h faster than Nora’s average speed. What was Nora’s average walking speed in km/h? Express your answer in decimal.
3 m

Click button first when a symbol is required. X

Owen jogged while Nora walked from the same place but in opposite directions along a straight road. After 3 hours, they were 21 km apart. Owen’s average speed was 1.7 km/h faster than Nora’s average speed. What was Nora’s average walking speed in km/h? Express your answer in decimal.