Question

if A and B can do a piece of work in 8 days and 12 days respectively, how many parts of the work do they work together in 4 days?​

Answer 1

Answer:

20 unit.

Step-by-step explanation:

so the total work done is = LCM (8,12)

= 24 unit

1 day work of A = 24/8 = 3 unit

1 day work of B = 24/12 = 2 unit

1 day work of

both (A+B) = 5 unit

so in 4 day they do a total of = 4*5 = 20 unit of work.