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Five workers have been hired to complete a job.  If one additional worker is hired, they could complete the job $4$ days earlier.  If the job needs to be completed $20$ days earlier, how many additional workers should be hired?

 May 24, 2024
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According to the info given, Each additional worker hired reduces the time by 4 days

We just have \(4 x = 20 \) where x is the number of workers needed. 

 

This means we have x = 5, so we need 5 additional workers!

 

Thanks! :)

 May 24, 2024

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