SOLUTION: Kim traveled a total of 10 km. in 50 minutes. Sasha traveled 10 km. in 55 minutes. Barry did 10km. in 60 minutes. What is their average speeds?

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Question 103484: Kim traveled a total of 10 km. in 50 minutes.
Sasha traveled 10 km. in 55 minutes.
Barry did 10km. in 60 minutes.
What is their average speeds?
Answer by checkley75(3666) About Me  (Show Source):
You can put this solution on YOUR website!
10/(5/6)=60/5=12 kph.
10/(11/12)=120/11=10.9 kph.
10/1=10 kph.