A bicyclist travels 10 km in half an hour, then rests for half an hour, then travels 50 km in three hours. What is the bicyclist's average speed over the entire trip?

9

step-by-step explanation:

b. hoped i'm right lol

step-by-step explanation:

step by step solution :

step   1   :

1.1     4 = 22

(4)3 = (22)3 = 26

equation at the end of step   1   :

  ((23) • 26)2

step   2   :

equation at the end of step   2   :

  (23 • 26)2

step   3   :

final result :

  218

ya