SOLUTION: 10 men completed a construction work in 11 days,15 men completes the same type of construction work in 22 days and 22 men completes the work in 48 days.why the difference in days f

Algebra ->  Rate-of-work-word-problems -> SOLUTION: 10 men completed a construction work in 11 days,15 men completes the same type of construction work in 22 days and 22 men completes the work in 48 days.why the difference in days f      Log On


   

Question 962254: 10 men completed a construction work in 11 days,15 men completes the same type of construction work in 22 days and 22 men completes the work in 48 days.why the difference in days for completing the work?
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
They must have different rates of working
1st group:
+%28+1%2F10+%29%2A%28+1%2F11+%29+=+1%2F110+ = each man's rate
2nd group:
+%28+1%2F15+%29%2A%28+1%2F22+%29+=+1%2F330+ = each man's rate
3rd group:
+%28+1%2F22+%29%2A%28+1%2F48+%29+=+1%2F1056+ = each man's rate
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The rates are [ 1 job ] / [ number of days ] and are
average rates unless you know they are the same
for a certain group