Question
If Archie and Dylan paint a house, they take 39 days to finish painting. If Will and Archie paint the same house, they take 3 days to finish painting. If Dylan and Brandon paint the same house, they take 13 days to finish painting. How many days do Will and Brandon take to paint the house if they work together?
4 m

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If Archie and Dylan paint a house, they take 39 days to finish painting. If Will and Archie paint the same house, they take 3 days to finish painting. If Dylan and Brandon paint the same house, they take 13 days to finish painting. How many days do Will and Brandon take to paint the house if they work together?