Cleveland Area Rapid Delivery Card Operates A Delivery Service In The Cleveland Metropolitan Area Most Of Card S Busi 1 (89.77 KiB) Viewed 22 times
Cleveland Area Rapid Delivery Card Operates A Delivery Service In The Cleveland Metropolitan Area Most Of Card S Busi 2 (66.53 KiB) Viewed 22 times
Cleveland Area Rapid Delivery (CARD) operates a delivery service in the Cleveland metropolitan area. Most of CARD's business involves rapid delivery of documents and parcels between offices during the business day. CARD promotes its ability to make fast and on-time deliveries anywhere in the metropolitan area. When a customer calls with a delivery request, CARD quotes a guaranteed delivery time. The following network shows the street routes available. The numbers above each arc indicate the travel time in minutes between the two locations. Develop a linear programming model that can be used to find the minimum time required to make a delivery from location 1 to location 6. (Express your answers in the form xij, where each xij represents the arc from node i to node j as either 1 or 0 .).
Develop a linear programming model that can be used to find the minimum time required to make a delivery from location 1 to location 6. (Express your answers in the form xij, where each xij represents the arc from node i to node j as either 1 or 0 .). a) Min 35×12+30×13+… ? Complete the rest of the model. b) What are the nodes 1 through 6 flows? [state each node flows individually]. How long (in minutes) does it take to make a delivery from location 1 to location 6 ? (Round your answer to the nearest whole number.) c) Assume that it is now 1:00 p.m. and that CARD just received a request for a pickup at location 1. The closest CARD courier is 8 minutes away from location 1 . If CARD provides a 20\% safety margin in guaranteeing a delivery time, what is the minimum guaranteed delivery time if the package picked up at location 1 is to be delivered to location 6 ? (Enter your answer in standard time. Round your answer to the nearest minute.)
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