Concept explainers
Special delivery. (ExH) Julia is the letter carrier for the town of Eulerville shown in the previous Mindscape. The streets are white; the blocks are orange. Assume that any street with a block on each side will have homes or business on both sides. Therefore Julia must walk along both sides of some streets to deliver the mail. The Post Office is located in the Town hail (shown in black). Is there a route for Julia to use so she can start at the Post Office, deliver the mail along each Street without having to retrace her steps, and return to the Post Office? If so, find such a route. If not, explain why not.
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The Heart of Mathematics: An Invitation to Effective Thinking, WileyPLUS NextGen Card with Loose-leaf Set Single Semester: An Invitation to Effective Thinking (Key Curriculum Press)
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