Question 1086672
4 men planned to complete a piece of work in 10 days,3 men worked for 4 days after which 4 men were employed.find the total number of days taken to complete the work?
<pre>It depends!
In 4 days, 3 men completed: {{{3/10}}} of the job, leaving {{{7/10}}} undone.
Now, to complete the remaining {{{7/10}}} of the job, how many men are working? Is it:
1) the original 4, plus the newly-employed 4, for a total of 8?
2) the 3 that worked for 4 days, plus the 4 newly-employed 4, for a total of 7? 
3) the 4 newly-employed for a total of 4?