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Denny walks 60m in 1 min , and John travels 210 m in 1 min by bike. If Denny has already walked 1800 m , how many min will take for John to catch up with Denny by bike assuming Denny continues to walk?
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it will take john 12 minutes to catch up with Denny.you can ask back if you find any difficulty. i am here. I will feel happy to assist you.
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