A and B can do a job in 10 days and 5 days , respectivly. they wirked together for 2 days, after which B was replaced by C and the work was finished in the next three days.how long will C alone take to finish 60% of the job.
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Answer:
18days
Step-by-step explanation:
the explanation is in the attachment
total days=30
60% of work = 30×60/100= 18 days
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