Question
If Henry and Perry paint a house, they take 36 days to finish painting. If Japheth and Henry paint the same house, they take 6 days to finish painting. If Perry and Sean paint the same house, they take 12 days to finish painting. How many days do Japheth and Sean take to paint the house if they work together?
4 m

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If Henry and Perry paint a house, they take 36 days to finish painting. If Japheth and Henry paint the same house, they take 6 days to finish painting. If Perry and Sean paint the same house, they take 12 days to finish painting. How many days do Japheth and Sean take to paint the house if they work together?