Runner 6

A runner runs the first lap of a circuit at an average speed of 5 km/h. At what speed must she run the second lap so that her average speed for both laps combined is 10 km/h?

Your answer:

km/h


Help us improve! If you spot a mistake, please let let us know. Thank you!







Tips for related online calculators
Looking for help with calculating arithmetic mean?
Looking for a statistical calculator?
Do you want to convert velocity (speed) units?

You need to know the following knowledge to solve this word math problem:

statisticsbasic operations and conceptsUnits of physical quantitiesthemes, topicsGrade of the word problem

Related math problems and questions: