Question
Tommy jogged while Barbara walked from the same place but in opposite directions along a straight road. After 3 hours, they were 24 km apart. Tommy’s average speed was 2.2 km/h faster than Barbara’s average speed. What was Barbara’s average walking speed in km/h? Express your answer in decimal.
3 m

Click button first when a symbol is required. X

Tommy jogged while Barbara walked from the same place but in opposite directions along a straight road. After 3 hours, they were 24 km apart. Tommy’s average speed was 2.2 km/h faster than Barbara’s average speed. What was Barbara’s average walking speed in km/h? Express your answer in decimal.