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"9 P7 z/ O2 D  G: z0 J0 |- a

8 A; z& i* t8 {8 G, Z( E1. http://nz.youtube.com/watch?v=lj3iNxZ8Dww&feature=related
* o3 K+ y8 y9 |/ b# ?6 [$ |# nAimee 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?"' [: T8 h8 G, X- h0 a* a

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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."
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1 q! v9 S/ ~& O# Z- M! r2. http://nz.youtube.com/watch?v=itjlj6i9XFo4 A% S" b9 G* @( J1 l

3 P  Y- E5 @& d+ q  I4 y# NQ:"How many feet are in 2 1/2 yards?+ C3 y! Y6 L- }& W
A:"78"- W# l6 z8 f& k. J1 p0 ]" z8 x

- F) U! ^" ^" [. A# l9 cWHY NOT IS 7.5? I THINK IS 3 FEETS EQUAL 1 YARD?