8-14 and 8-15

# 8-14 and 8-15 - Problem 8-14 Month August september october...

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Lise Vinc Month personnel hours needed August 40,000 september 45,000 october 35,000 november 50,000 december 45,000 350 fully trained 130 hours/month 1 hour/day check-in and check-out, recordkeeping  and radiation health scans one month training trainees one month before needed takes 90 hour of employee time 5% skilled employees at start of month resign by the end of that month trained technician earns avg \$2,000 trainees paid \$900 Xi Number of trained technicians avail at start of month i Yi Number of trainees beginning in month i Min Z= \$2000 X1 + \$2000 X2 +….+ \$900 Y1 + \$900 Y2 +…. 130 X1 - 90 Y1>=40,000 (August) 130 X2 - 90 Y2 >= 45,000 (Sept) 130 X3 - 90 Y3 >= 35,000 (Oct) 130 X4 - 90 Y4 >= 50,000 (Nov) 130 X5 - 90 Y5 >= 45,000 (Sept) X1= 350 X2= X1 + Y1 - 0.05 X1 (Staff on Sept1) X3= X2 + Y2 - 0.05 X2 (Staff on Oct1) X4= X3 + Y3 - 0.05 X3 (Staff on Nov1)

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8-14 and 8-15 - Problem 8-14 Month August september october...

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