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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; g- `7 }. s' k6 M; o" R8 ^1. http://nz.youtube.com/watch?v=lj3iNxZ8Dww&feature=related
5 q, N0 ~+ i1 D2 h+ W! g& mAimee 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?"' s7 E* Y& t( W* h

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8 L5 o7 X. I. W+ D& WCaitlin 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."6 g& W( D$ X3 S8 x$ t* z

  Q5 U: u/ Q5 F8 y/ z) V9 \5 L1 o2. http://nz.youtube.com/watch?v=itjlj6i9XFo0 G6 l; B2 o/ @7 l
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Q:"How many feet are in 2 1/2 yards?0 s0 k7 j0 e. h9 ?
A:"78"6 c* W0 ]9 i: w: C- i/ [

: n" f# _9 z9 @2 U: TWHY NOT IS 7.5? I THINK IS 3 FEETS EQUAL 1 YARD?