SOLUTION: Two landscape workers can complete a certain landscaping job in a total of 20 hours. Working alone, one can do the same job in 2 hours less time than it takes the other. How long w

Algebra ->  Rate-of-work-word-problems -> SOLUTION: Two landscape workers can complete a certain landscaping job in a total of 20 hours. Working alone, one can do the same job in 2 hours less time than it takes the other. How long w      Log On


   



Question 728586: Two landscape workers can complete a certain landscaping job in a total of 20 hours. Working alone, one can do the same job in 2 hours less time than it takes the other. How long would it take the faster worker to do the job if the slower worker were unable to work? (Use calculator to find approx. value, but how intended computation.)
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
20x+20/(x+2)=1
x= about 39
and 41
20/39+20/41=1