A team consists of people who can finish a job in days. If the job needs to be completed faster in days, the percentage increase in workers needed to finish the job is...
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A team consists of 12 people who can finish a job in 15 days. If the job needs to be completed faster in 9 days, the percentage increase in workers needed to finish the job is...
This problem can be solved using inverse proportion.
Given:
Thus, we can write:
So, the number of workers needed to finish in 9 days is 20 workers.
Thus, the percentage increase in workers is: