A and B can do a piece of work in 12 days and 16 days respectively. Both work for 3 days and then A goes away. Find how long will B take to complete the remaining work?
Pick.
A) 9 B) 8 C) 7 D) 5 E) 2
3/12+(3+x)/16 = 1   x = 9 days   9NSWER 9
<result>A</result>
A and B can do a piece of work in 12 days and 16 days respectively. Both work for 3 days and then A goes away. Find how long will B take to complete the remaining work?