thomas takes 7 days to paint a house completely whereas require 9 days to paint the same house completely.how many da7ys will take to paint the house if both them work together.; thomas takes 7 days to paint a house completely whereas require 9 days to paint the same house completely.how many da7ys will take to paint the house if both them work together.
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so to find the speed when 2 are working same direction, is (x-y) so speed is 9-7 =2 so they will finish the work in 2 days
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