13. A and B can do a piece of work in 20 days, B and C in 30 days and C and A in 36 days
m) How much time will it take to finish the work together?
(1) In how many days, will each finish the work alone?
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1
Answer:
m answer is 86 days
Step-by-step explanation:
add all the numbers
30
20
36
86
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