A piece of work gets finished by vamica 10 days earlier than manju. If both A & B together can finish it in 12 days ,find the
time taken by manju to finish the work.
how do A and B relate to vamica and manju?
If they are the same, then we know that
1/(B-10) + 1/B = 1/12
B (manju) takes 30 days