Question
If Reggie and Howard paint a house, they take 36 days to finish painting. If Fabian and Reggie paint the same house, they take 9 days to finish painting. If Howard and Ian paint the same house, they take 12 days to finish painting. How many days do Fabian and Ian take to paint the house if they work together?
4 m

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If Reggie and Howard paint a house, they take 36 days to finish painting. If Fabian and Reggie paint the same house, they take 9 days to finish painting. If Howard and Ian paint the same house, they take 12 days to finish painting. How many days do Fabian and Ian take to paint the house if they work together?