Question
If Mark and Ethan paint a house, they take 36 days to finish painting. If Luis and Mark paint the same house, they take 12 days to finish painting. If Ethan and Fabian paint the same house, they take 18 days to finish painting. How many days do Luis and Fabian take to paint the house if they work together?
4 m

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If Mark and Ethan paint a house, they take 36 days to finish painting. If Luis and Mark paint the same house, they take 12 days to finish painting. If Ethan and Fabian paint the same house, they take 18 days to finish painting. How many days do Luis and Fabian take to paint the house if they work together?