SOLUTION: Denny walks 60 m in one min , john walks 210 m in one min, if denny has already walked 1800m , how many mins it will take for john to catch up with denny,
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Question 335861: Denny walks 60 m in one min , john walks 210 m in one min, if denny has already walked 1800m , how many mins it will take for john to catch up with denny, Answer by Alan3354(69443) (Show Source):