Complete the table below by providing information or examples on posting and sharing materials in wikis and blogs in a safe and responsible manner.
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Q.12 A contractor engages 54 workers to complete a job in
21 days. After working for 3 days, he found that he
would get the work completed in 28 days if he does
not increase the number of workers. How many more
workers should he engage to get the work done in time?
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