SOLUTION: A does 1/2 as much as B in 3/4 of the time . if together they take 18 days to complete the work, how much time shall B take to do it options- 30,35,40 plz solve without using x a

Question 441723: A does 1/2 as much as B in 3/4 of the time . if together they take 18 days to complete the work, how much time shall B take to do it
options- 30,35,40
plz solve without using x and y
Answer by jorel1380(3719) (Show Source): You can put this solution on YOUR website!
A does 1/2 the work in 3/4 of the time. In the same time A does 1/2x4/3 or 2/3 the work of B.
1/x+1/2x/3=1/18
1/x+3/2x=1/18
18+27=x
45=x
B takes 45 days to do the work alone-
A takes 67.5 days working alone..
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