A can finish a piece of work in 4 days. B can do it in 12 days. They work together for two days and then A goes away. In how many days will B finish the work?  Choose the most appropriate option.
A) 6 days	B) 5 days	C) 7 days	D) 4 days	E) 3 days
2/4 + (2 + x)/12= 1 =&gt; x =6 days   6 daysnswer: 6 days
<result>A</result>
A can finish a piece of work in 4 days. B can do it in 12 days. They work together for two days and then A goes away. In how many days will B finish the work?