The map below shows Mach's route to the pool. Mich left his house and walked to Javier's house. It took him 12 minutes. Then, Mitch and Javier walked to Andrew's house. It took them 6 minutes.
Finally the 3 boys walked to the pool in 2 minutes. What was Mach's average speed for his entire journey?
100%
A
B
Andrew
C
D
100 m
500 m
7 m/min
60 min
Javier
800 m