hi guys! i need some help with with problem. hope some experts could help me answer the problem. if you can solve the problem using excel, it would be very helpful. THANKSSSSSS

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disaster response agency serves seven regions from its central warehouse (1). Due to the recent storm, many roads to the regions are closed. Only the available roads for transportation are depicted in the following diagram. The travel time required in hours between the locations is provided on the arcs. Generally, even if the real distance is less, due to road blockage and damage, relief vehicles take more time. a. Find out the minimum time to deliver the relief supplies to each of these regions. b. If seven trucks leaves to the different destinations, what is the total duration traveled by the vehicles? Ware house 5 2 126 12 15 4 16 10 10 > 5 12