Ella is the regional sales manager for a fast-food chain. She starts her work day by driving from home to the regional office, works there for several hours, and then visits the three sales outlets in her region. Relevant mileage is as follows:

Home to regional office 10

Regional office to sales outlet 1 13

Sales outlet 1 to sales outlet 2 11

Sales outet 2 to sales outlet3 9

Sales out let 3 to home 15