SOLUTION: 20 men working together can finish a job in 30 day. How many days can 12 men take?
Algebra.Com
Question 881993: 20 men working together can finish a job in 30 day. How many days can 12 men take?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
20 men take 30 days to do 1 job
----------------------------
3 times as many men can do the job
in 1/3 of that time, so
---------------------
60 men take 10 days to do 1 job
-----------------------------
1/5 as many men take 5 times longer
to do 1 job, so
--------------------------------
12 men take 50 days to do 1 job
RELATED QUESTIONS
12 men working 7 hours a day can finish a job in 6 days. How many more hours a day must 8 (answered by ankor@dixie-net.com)
twelve men can finish the job in 20 days. Five men were working at the start and after 10 (answered by lwsshak3)
15 men working 7 hours a day can finish a piece of work in 15 days. How many days will... (answered by ankor@dixie-net.com)
Twelve men can finish a job in 16 days. Five men were working at the start, after 8 days... (answered by ankor@dixie-net.com,josgarithmetic)
If 54 men working 10 hours a day can finish a work job in 15 days, how many men are... (answered by Alan3354)
Twenty men can finish the job in 30 days. Twenty five men were hired at the start and 10... (answered by josgarithmetic)
Ten men can paint a house in 3 days. In how many days can 5 men finish hte same job?
(answered by Cromlix)
If 12 men and 10 women can complete a job in 15 day, how many days will it take for 30... (answered by ikleyn)
100 men can finish a work in 100 days. Every day two men leaves the work. Then how many... (answered by Edwin McCravy)