SOLUTION: An army, lined up single file, is one mile long. It starts marching at a uniform rate. It marches exactly one mile and then stops. At exactly the time it started marching, a messe

Question 252390: An army, lined up single file, is one mile long. It starts marching at a uniform rate. It marches exactly one mile and then stops. At exactly the time it started marching, a messenger at the back of the line begins jogging toward the front of the line at a uniform rate. When he reaches the front of the line he instantaneously drops off a message and turns around and heads back to the end of the line just as the army stops marching. What distance did the messenger travel?
Answer by edjones(8007) (Show Source): You can put this solution on YOUR website!
3 mi by the time he gets back to the end of the line.
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