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

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If Albert and Oscar paint a house, they take 36 days to finish painting. If Sean and Albert paint the same house, they take 4 days to finish painting. If Oscar and Fabian paint the same house, they take 18 days to finish painting. How many days do Sean and Fabian take to paint the house if they work together?