Question
Valen jogged while Risa walked from the same place but in opposite directions along a straight road. After 4 hours, they were 26 km apart. Valen’s average speed was 1.6 km/h faster than Risa’s average speed. What was Risa’s average walking speed in km/h? Express your answer in decimal.
3 m

Click button first when a symbol is required. X

Valen jogged while Risa walked from the same place but in opposite directions along a straight road. After 4 hours, they were 26 km apart. Valen’s average speed was 1.6 km/h faster than Risa’s average speed. What was Risa’s average walking speed in km/h? Express your answer in decimal.