Solve.John and Tony start from Grays Lake at the same time and head for a town 10 miles away. John walks twice as fast as Tony and arrives 3 hours before Tony. Find how fast each walks.
A. Tony's speed = 
m/h and John's = 
m/h.
B. Tony's speed = 3 m/h and John's = 6 m/h.
C. Tony's speed = 
m/h and John's = 
m/h.
D. Cannot be determined with information given
Answer: C
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C. 
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