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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?

 Dec 16, 2023
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Each additional worker hired reduces the time by 4 days

 

To reduce the  job by 20 days

 

4 x  =  20      where x is the number of additional workers needed

 

x =20 / 4  =   5 additional workers  should be hired

 

 

cool cool cool

 Dec 16, 2023

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