Question
If Sean and Eric paint a house, they take 36 days to finish painting. If Archie and Sean paint the same house, they take 9 days to finish painting. If Eric and Sam paint the same house, they take 18 days to finish painting. How many days do Archie and Sam take to paint the house if they work together?
4 m

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If Sean and Eric paint a house, they take 36 days to finish painting. If Archie and Sean paint the same house, they take 9 days to finish painting. If Eric and Sam paint the same house, they take 18 days to finish painting. How many days do Archie and Sam take to paint the house if they work together?