a and b togheter can finish piece of work in 12 days if a alone can finish the same work in 20 days in how many days the b alone can finish it
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Answered by
0
Answer:
20
Step-by-step explanation:
20 days work will be completed by b
Answered by
0
Answer:
(A + B)'s 1 day's work = 1/12
B's 1 day's work = 1 /30
A's 1 day's work = 1/12−1/30=(5−2) /60=1/20
A alone can finish the work in 20 days.
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