Question
If Sean and Ahmad paint a house, they take 28 days to finish painting. If Ryan and Sean paint the same house, they take 7 days to finish painting. If Ahmad and Neave paint the same house, they take 14 days to finish painting. How many days do Ryan and Neave take to paint the house if they work together?
4 m

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If Sean and Ahmad paint a house, they take 28 days to finish painting. If Ryan and Sean paint the same house, they take 7 days to finish painting. If Ahmad and Neave paint the same house, they take 14 days to finish painting. How many days do Ryan and Neave take to paint the house if they work together?