please find the optimal solution in results in total workers = __ ( enter your reponse as a whole number ) if correct will

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ourng the 6 pericds irap wfich the day is dovded. Dvchion valratie x, remter of wohers rejorting for the start of woikng period x where i=3,2,3,4,5, or 0 . server beginhing work in time cerod i, where i=1,2,3,4,5,6 ) Obiective fanction Minirite 2 it Subject io. x1+x2+12(AM-11AM)x1+x3=15(1AM-3PM)x2+x4=10(aPM.7PM)x4+x3