SOLUTION: Sixty men can build a wall in 40 days, but
though they begin the work together, 5 men
quit every ten days. The time needed to build
the wall is
Algebra.Com
Question 945774: Sixty men can build a wall in 40 days, but
though they begin the work together, 5 men
quit every ten days. The time needed to build
the wall is
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Working on the wall, you have:
60 men for 10 days
55 men for 10 days
50 men for 10 days
45 men for 10 days
40 men for 10 days
etc.
------------------
60 men build 1 wall in 40 days
1 man builds 1/60 of a wall in 40 days
1 man builds 1/240 of a wall in 10 days
----------------------------------
60 men build of a wall in 10 days
55 men build of a wall in 10 days
50 men build of a wall in 10 days
45 men build of a wall in 10 days
--------------------
This sequence is:
etc.
walls
I want the time for just 1 wall
too much time
too little time
is the answer
days
------------------------
days
My answer is 47.5 days to build the wall
This is while 40 men are working on it
Hope I got it
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