Pearson eText Principles of Operations Management: Sustainability and Supply Chain Management -- Instant Access (Pearson+)
Pearson eText Principles of Operations Management: Sustainability and Supply Chain Management -- Instant Access (Pearson+)
11th Edition
ISBN: 9780135639221
Author: Jay Heizer, Barry Render
Publisher: PEARSON+
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Chapter 15, Problem 16P
Summary Introduction

To determine: Thejob sequence based on the critical ratio.

Introduction: The critical ratio is a kind of scheduling rule that helps to identify if the task or job is on the correct track. It also helps to identify if the task is behind or ahead of the schedule.

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Consider the nonlinear optimization model stated below. Min 2x²-18x + 2XY + y² 14Y + 51 s.t. X + 4Y ≤7 (a) Find the minimum solution to this problem. at (X, Y) = (b) If the right-hand side of the constraint is increased from 7 to 8, how much do you expect the objective function to change? Based on the dual value on the constraint X + 4Y ≤7, we expect the optimal objective function value to decrease by (c) Resolve the problem with a new right-hand side of the constraint of 8. How does the actual change compare with your estimate? If we resolve the problem with a new right-hand-side of 8 the new optimal objective function value is , so the actual change is a decrease of rather than what we expected in part (b).
Burger Dome sells hamburgers, cheeseburgers, french fries, soft drinks, and milk shakes, as well as a limited number of specialty items and dessert selections. Although Burger Dome would like to serve each customer immediately, at times more customers arrive than can be handled by the Burger Dome food service staff. Thus, customers wait in line to place and receive their orders. Burger Dome analyzed data on customer arrivals and concluded that the arrival rate is 40 customers per hour. Burger Dome also studied the order-filling process and found that a single employee can process an average of 56 customer orders per hour. Burger Dome is concerned that the methods currently used to serve customers are resulting in excessive waiting times and a possible loss of sales. Management wants to conduct a waiting line study to help determine the best approach to reduce waiting times and improve service. Suppose Burger Dome establishes two servers but arranges the restaurant layout so that an…
>>>> e 自 A ? ↑ G סוי - C Mind Tap Cengage Learning CENGAGE MINDTAP Chapter 12 Homework: Managing Inventories in Supply Chains Assignment: Chapter 12 Homework: Managing Inventories in Supply Chains Questions Problem 12-70 Algo (Managing Fixed-Quantity Inventory Systems) 6. 7. ng.cengage.com + O C Excel Online Student Work Q Search this course ? Save Assignment Score: 91.34% Submit Assignment for Grading e Question 8 of 11 ▸ A-Z Hint(s) Check My Work 8. 9. 10. 11. Spreadsheet Environmental considerations, material losses, and waste disposal can be included in the EOQ model to improve inventory-management decisions. Assume that the annual demand for an industrial chemical is 1,600 lb, item cost is $2/lb, order cost is $45, inventory holding cost rate (percent of item cost) is 15 percent. Use the EOQ Model Excel template in MindTap to answer the following: a. Find the EOQ and total cost, assuming no waste disposal. Do not round intermediate calculations. Round your answer for the EOQ to…
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