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celestea
celestea from mp
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$1.00 getting across the bridge

  • From Mathematics: Algebra
  • Closed, but you can still post tutorials
  • Due on Jul. 17, 2008
  • Asked on Jul 10, 2008 at 12:05:24PM
Q:
how do you get 4 people across the bridge in 17 min? 1 person takes 1 minute, another person takes 2 minutes, the other person takes 5 mintues, and the last person takes 10 minutes. The bridge holds 2 at a time. how do you get 4 people across the bridge in 17 min?
 
 
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Posted by:
sammylou23
sammylou23 from Online College
Rating (1075): A
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Tutorials Posted: 1823, earned $18,238.87
 

$1.00 Getting Across The Bridge

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  • Posted on Jul 10, 2008 at 12:23:45PM
A:
Preview: ... ss = 13
2 goes back = 15 ...

The full tutorial is about 29 words long .
Posted by:
sudipta
sudipta from IIM Bangalore
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$1.00 All steps shown in great detail

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  • Posted on Jul 10, 2008 at 12:51:22PM
A:
Preview: ...
Step 2: The 1-min person returns with the torch. Journey time: 1 minute

Step 3: The 5-min person and 10-min person go together with the torch. Journ ...

The full tutorial is about 133 words long .
Posted by:
ilium2004
ilium2004 from NYU
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$0.50 Correct answer, clear and step by step explanation.

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  • Posted on Jul 10, 2008 at 1:13:39PM
A:
Preview: ... t answer, ...

The full tutorial is about 8 words long plus attachments.

Attachments:
Getting Across the Bridge.doc (24K) (Preview)
Posted by:
barryman
barryman from Harvard
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$0.45 correct and complete solution for a nickel cheaper

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  • Posted on Jul 13, 2008 at 05:39:04PM
A:
Preview: ... minute person returns. Time so far: 3min
Step 3: the 5 minu ...

The full tutorial is about 67 words long .
   
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