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"
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# ~8 i% A" ]5 ?- e0 V: a1. http://nz.youtube.com/watch?v=lj3iNxZ8Dww&feature=related
! T8 h9 u3 p0 C" J& |Aimee 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?"+ i9 G4 T# e" G  A; C7 x" b
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Caitlin 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."7 d- c( J/ X2 V' c- }3 C" X0 @- x

# v2 J  n+ h+ [0 H" p2. http://nz.youtube.com/watch?v=itjlj6i9XFo
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# e  F: l# Y; `* QQ:"How many feet are in 2 1/2 yards?; ], S7 |/ W( [8 u& f4 Q
A:"78"
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. @6 T  G) Q! RWHY NOT IS 7.5? I THINK IS 3 FEETS EQUAL 1 YARD?