唔該！幫幫忙解答我以下2個問題唔該!

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唔係好明個問題同"答案"( r8 ~+ Y4 [: |& p, z  l8 C8 K

% K1 C" h8 N5 ~+ d: x' ^1. http://nz.youtube.com/watch?v=lj3iNxZ8Dww&feature=related
% _5 \& A; S  P/ q% XAimee Teegarden: "Recent polls have shown a fifth of Americans can't locate the U.S. on a world map. Why do you think this is?"
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3 e' x6 B" ?5 m3 @# \* G0 f0 G% L$ C8 tCaitlin Upton: "I personally believe that U.S. Americans are unable to do so because, uh, some, people out there in our nation don't have maps and, uh, I believe that our, uh, education like such as, uh, South Africa and, uh, the Iraq, everywhere like such as, and, I believe that they should, our education over here in the U.S. should help the U.S., uh, or, uh, should help South Africa and should help the Iraq and the filter-074 countries, so we will be able to build up our future, for our children."/ ]- o# I; `6 I; M/ [( c* i; x
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2. http://nz.youtube.com/watch?v=itjlj6i9XFo
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Q:"How many feet are in 2 1/2 yards?0 |  W2 _* O1 e# G* a% o5 z
A:"78"
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) P& ?) p% {. ?, M. ^3 uWHY NOT IS 7.5? I THINK IS 3 FEETS EQUAL 1 YARD?