SOLUTION: it takes 8 men to build a wall in 30 days. How long would it take 10 men to build the same wall. How many men are needed to build the wall in 16 days.

Algebra ->  Rate-of-work-word-problems -> SOLUTION: it takes 8 men to build a wall in 30 days. How long would it take 10 men to build the same wall. How many men are needed to build the wall in 16 days.       Log On


   

Question 879264: it takes 8 men to build a wall in 30 days. How long would it take 10 men to build the same wall. How many men are needed to build the wall in 16 days.
Answer by JulietG(1812) About Me  (Show Source):
You can put this solution on YOUR website!
How many man-hours does the wall take?
8 men * 30 days, or 240 man-days (since you're not looking for hours).
For 10 men, it will take 240 man-days/10 men, or 24 days.
For 16 days, it will take 240 man-days/16 days, or 15 men.