Question
Flynn and Ryan take 5 days to assemble a toy plane. Ryan and Henry take 6 days to build the same plane while Flynn and Henry take only 3 days. How many complete days would the three of them take to build the same toy plane?
4 m

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Flynn and Ryan take 5 days to assemble a toy plane. Ryan and Henry take 6 days to build the same plane while Flynn and Henry take only 3 days. How many complete days would the three of them take to build the same toy plane?