A can finish a piece of work in 4 days. B can do it in 10 days. They work together for two days and then A goes away. In how many days will B finish the work?  Options.
A) 3
B) 5
C) 6
D) 7
E) 8
2/4 + (2 + x)/10 = 1 =&gt; x = 3 days   3nswer: 3
<result>A</result>
A can finish a piece of work in 4 days. B can do it in 10 days. They work together for two days and then A goes away. In how many days will B finish the work?