SOLUTION: Two workmen have to finish a job. If they work together the job will be done in 12 days. If the first workman works for nine days and the second workman works for 6 days 2/3 of the

Algebra ->  Rate-of-work-word-problems -> SOLUTION: Two workmen have to finish a job. If they work together the job will be done in 12 days. If the first workman works for nine days and the second workman works for 6 days 2/3 of the      Log On


   



Question 1077696: Two workmen have to finish a job. If they work together the job will be done in 12 days. If the first workman works for nine days and the second workman works for 6 days 2/3 of the work will be finished. For how long will they finish the job separately
Answer by josgarithmetic(39625) About Me  (Show Source):
You can put this solution on YOUR website!
If each of their rates is x and y, (RATES, not times), then the description becomes
system%2812x%2B12y=1%2C9x%2B6y=2%2F3%29

Solve for x and y with that system. Resulting rates will be unit JOBS%2FDAY. The reciprocals would be time in days per job.