SOLUTION: Luke, Eddie, and Ryan can complete a job in 1 hours and 20 minutes if they work together. Working alone, it takes Ryan 1 hour more to complete the job than it takes Luke, and Luke

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Question 849653: Luke, Eddie, and Ryan can complete a job in 1 hours and 20 minutes if they work together. Working alone, it takes Ryan 1 hour more to complete the job than it takes Luke, and Luke works twice as fast as Eddie. How much time would it take each to complete the job working alone?
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
1:20=1 1/3 =4/3
1/k+1/d+1/r=1/(4/3)=3/4
r=k+1,
k=2d
eddie d=2.55765, luke k=5.1153, ryan r=6.1153