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The Magic Cafe Forum Index » » Puzzle me this... » » Trip to the Magic Shop? (0 Likes) Printer Friendly Version

leonard
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Regular user
North Carolina
148 Posts

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I live exactly one mile from the local magic shop. On a particular trip there, I drive at exactly 30 MPH. After an extended stay, I am ready to begin the drive home. How fast must I drive home so that my average speed for the round trip will be 60 MPH?
Dave Le Fevre
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Inner circle
UK
1666 Posts

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Infinitely fast - it's impossible.

You need to return in zero time.

It took you 2 minutes to get there, and you need to do the return journey in 2 minutes.

Dave
The Ozzy Osbourne of the 34x27
The Magic Cafe Forum Index » » Puzzle me this... » » Trip to the Magic Shop? (0 Likes)
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