Question
Nick and Vincent take 5 days to assemble a toy house. Vincent and Carl take 6 days to build the same house while Nick and Carl take only 3 days. How many complete days would the three of them take to build the same toy house?
4 m

Click button first when a symbol is required. X

Nick and Vincent take 5 days to assemble a toy house. Vincent and Carl take 6 days to build the same house while Nick and Carl take only 3 days. How many complete days would the three of them take to build the same toy house?