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

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) (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

Solve for x and y with that system. Resulting rates will be unit . The reciprocals would be time in days per job.
RELATED QUESTIONS
The workman A finishes the job 2 hours faster than the workman C, and 1 hour slower than... (answered by josgarithmetic,josmiceli)

A can finish a certain job in 10 days if B will help for 6 days. The same work can be... (answered by ankor@dixie-net.com)

A boys' club decides to build a cabin. The job can be done by 3 skilled workmen in 4 days (answered by stanbon)

A and B working together can finish the job in 10 days. if A works 4 days and B works 3... (answered by josgarithmetic,ikleyn)

Brain and David can finish the job in 12 days if they work together. If only one of them... (answered by ankor@dixie-net.com)

WORD PROBLEM: PLS. HELP ME SOLVE THIS PROBLEM. THANK YOU. PROBLEM 1. When A and B... (answered by Theo)

manny and manuel can finish a certain job if manny works for 15 days and manuel works for (answered by greenestamps)

Manny and Manuel can finish a certain job if manny works for 15 days and Manuel works... (answered by greenestamps,ikleyn)

Hi, I am having difficulty putting this problem into an equation even though I know the... (answered by ankor@dixie-net.com,scott8148)