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A to B (Posted on 2004-03-10) Difficulty: 2 of 5
You need to go from point A to point B, and then back to point A. Points A and B are 20 miles apart. You go to point B at a constant speed of 15 miles per hour. If you want your overall speed to be 30 miles per hour, how fast would you have to go from point B back to point A?

See The Solution Submitted by ethan    
Rating: 1.8182 (11 votes)

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  Subject Author Date
SolutionPuzzle Solution : Method IIK Sengupta2008-03-30 06:24:26
SolutionPuzzle Solution With ExplanationK Sengupta2008-03-28 05:53:05
AnswerK Sengupta2008-03-21 13:06:43
re: Over complicatedCharlie2004-10-10 18:59:06
Over complicatedalex2004-10-10 17:56:08
solutionDetti Herman2004-10-04 15:34:34
re(2): solutionRohan Shah2004-03-14 07:10:12
re: solutionRichard2004-03-10 20:17:40
solutionamanda2004-03-10 18:26:58
A little relativityJils2004-03-10 16:14:35
re: why distance??ThoughtProvoker2004-03-10 10:51:21
Some Thoughtswhy distance??Ady TZIDON2004-03-10 10:30:04
SolutionSolutionPenny2004-03-10 08:49:39
Hints/TipsAn explanatione.g.2004-03-10 08:46:24
SolutionSolutione.g.2004-03-10 08:41:47
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