SOLUTION: 17 men can dig a ditch 26m long in 18 days , working 8 hours a day . How many more men should be engaged to dig a similar ditch 39m long in 6 day each man now working 9 hours a day

Algebra ->  Percentage-and-ratio-word-problems -> SOLUTION: 17 men can dig a ditch 26m long in 18 days , working 8 hours a day . How many more men should be engaged to dig a similar ditch 39m long in 6 day each man now working 9 hours a day      Log On


   



Question 319753: 17 men can dig a ditch 26m long in 18 days , working 8 hours a day . How many more men should be engaged to dig a similar ditch 39m long in 6 day each man now working 9 hours a day?

Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
17 men can dig a ditch 26m long in 18 days , working 8 hours a day.
17%2A8+=+136 men can dig a ditch 26m long in 18 days , working 1 hour a day
136%2F2+=+68 men can dig a ditch 13m long in 18 days , working 1 hour a day
3%2A68+=+204 men can dig a ditch 13m long in 6 days , working 1 hour a day
3%2A204+=+612 men can dig a ditch 39m long in 6 days , working 1 hour a day
612%2F9+=+68 men can dig a ditch 39m long in 6 days , working 9 hours a day
68+-+17+=+51
It will take 51 more men