Question

cen
in
A and B
complete one taste
within 20 days, B and c in 12 derys
and c and
15 days
( ci) How much time will A+Btc take to
complete this cork together
(A) Then how much time will they take
Separately to do that work?​

Answer 1

Answer:

47

Step-by-step explanation:

add 15 and 20 and 12

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