Question
Ryan and Owen take 6 days to assemble a toy car. Owen and Andy take 4 days to build the same car while Ryan and Andy 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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Ryan and Owen take 6 days to assemble a toy car. Owen and Andy take 4 days to build the same car while Ryan and Andy take only 3 days. How many complete days would the three of them take to build the same toy car?