A contract is to paint 3 houses. Mr brown takes 6 days to
paint a house. Mr black takes 8 days and Mr blue 12 days. Mr
brown leaves for a vacation after 8 days. Mr black works for
6 days from then.How many days would Mr blue require to
complete the contract?
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Answer Posted / m.vinod
11 days
brown completes 1+1/3 house in 8 days
black completes 3/4 house in 6 days
let the work done by blue=x
then
1+1/3+3/4+x=3 total houses to paint
x=11/12
so blue will complete the remaining work in 11 days
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