Question
Ivan and Tommy take 2 days to assemble a toy car. Tommy and Eric take 5 days to build the same car while Ivan and Eric take only 2 days. How many complete days would the three of them take to build the same toy car?
4 m

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Ivan and Tommy take 2 days to assemble a toy car. Tommy and Eric take 5 days to build the same car while Ivan and Eric take only 2 days. How many complete days would the three of them take to build the same toy car?