Question
Julian and Cole take 6 days to assemble a toy car. Cole and Xavier take 5 days to build the same car while Julian and Xavier take only 3 days. How many complete days would the three of them take to build the same toy car?
4 m

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Julian and Cole take 6 days to assemble a toy car. Cole and Xavier take 5 days to build the same car while Julian and Xavier take only 3 days. How many complete days would the three of them take to build the same toy car?