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Snow Splash (Posted on 2005-05-15) Difficulty: 2 of 5
A field in the shape of a right triangle (with the two shortest sides measuring 60 feet and 80 feet) has roads on all three sides that don't drain properly. As a result, muddy water puddles collect and when the cars pass through, they splash all the snow that is within 5 feet of any one of the three roads.

If all other snow not splashed by cars is kept clean, what percent is clean?

No Solution Yet Submitted by Gamer    
Rating: 2.7500 (4 votes)

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sinplify | Comment 2 of 8 |
<TABLE id=HB_Mail_Container height="100%" cellSpacing=0 cellPadding=0 width="100%" border=0 UNSELECTABLE="on"> <TBODY> <TR height="100%" width="100%" UNSELECTABLE="on"> <TD id=HB_Focus_Element vAlign=top width="100%" background="" height=250 UNSELECTABLE="off">

once you see that new triangle's sides are reduced by ratio 3/4, the area  is reduced to (3/4)^2 of the original  i.e.    56.25% .........

</TD></TR> <TR UNSELECTABLE="on" hb_tag="1"> <TD style="FONT-SIZE: 1pt" height=1 UNSELECTABLE="on">
</TD></TR></TBODY></TABLE>
  Posted by Ady TZIDON on 2005-05-15 20:03:39
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