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Dances with Wolves (Posted on 2002-12-22) Difficulty: 1 of 5
Dances runs around a track in sixty seconds. Wolves, running in the opposite direction around the track, meets Dances every twenty seconds. How long does it take for Wolves to run around the track?

-Problem modified from UNL Math Day

See The Solution Submitted by cges    
Rating: 2.4167 (12 votes)

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solution belated | Comment 12 of 13 |

Simple way is dances speed takes it 60 s

Dances + Wolves takes it 20 s which means combined speed is thrice hence wolves speed is twice dances hence time taken by wolves is 30 min

  Posted by salil on 2006-03-02 11:36:51
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