12 men complete a work in 9 days. After they have worked for 6 days, 6 more men join them. How many days will they take to complete the remaining work?  Choose the correct choice from the following:  A) 2  B) 3  C) 4  D) 5  E) 6
1 man's 1 day work = 1/108   12 men's 6 day's work = 1/9 * 6 = 2/3   Remaining work = 1 - 2/3 = 1/3   18 men's 1 day work = 1/108 * 18 = 1/6   1/6 work is done by them in 1 day.   1/3 work is done by them in  6 * 1/3= 
<gadget id="calculator"> 6 * 1/3</gadget>
<output>2</output>
2 days.   2nswer: 2
<result>A</result>
12 men complete a work in 9 days. After they have worked for 6 days, 6 more men join them. How many days will they take to complete the remaining work?