Question
If Albert and Tom paint a house, they take 30 days to finish painting. If Luis and Albert paint the same house, they take 5 days to finish painting. If Tom and Jenson paint the same house, they take 10 days to finish painting. How many days do Luis and Jenson take to paint the house if they work together?
4 m

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If Albert and Tom paint a house, they take 30 days to finish painting. If Luis and Albert paint the same house, they take 5 days to finish painting. If Tom and Jenson paint the same house, they take 10 days to finish painting. How many days do Luis and Jenson take to paint the house if they work together?