a and b can do a piece of work in 30 days a and b can do a and b can do a piece of work in 12 days a and b can do a work in 8 days a and b can do a piece of work in 72 days a and b can do a piece of work in 42 days a and b can complete a work in 8 days a and b can do a piece of work in 6 days a and b can complete a work in 15 days a and b can do a piece of work a and b can do a work in 12 days a and b can do a piece of work in 10 days a and b can together finish a work in 30 days a and b can do a piece of work in 5 days a and b can do a piece of work in 18 days can you have flu a and b at the same time two pipes a and b can fill a tank a b and c can do a piece of work in 20 30 60 two guns a and b can fire bullets can you get flu a and b at the same time can you have influenza a and b at same time canna a and b canna coco a and b feed chart canva b cannot be cast to java.lang.string