Question

 A can do a piece of work in 10 days while B can do the same work in 8 days if they work together how much time will they take to complete the work? *

a) 4/9 days

b) 9/4 days

c) 40/9 days

d)none of these

​

Answer 1

Answer:

c) 40/9

Step-by-step explanation:

1/10 + 1/8

(4+5)/40

9/40

40/9