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"6 R  a+ ~; e9 d7 ^: M

7 V* N$ c+ w  v' ^; {7 V1. http://nz.youtube.com/watch?v=lj3iNxZ8Dww&feature=related
4 A5 Z! B* E8 p8 q/ z/ N' dAimee 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?"" C( x5 b) B: j3 c; e

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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."! g9 u7 f- q4 d% ^& X

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7 \1 }! G+ ~% \Q:"How many feet are in 2 1/2 yards?; _/ N8 j  n% Q6 M! j
A:"78"6 \( N* M+ V( o- Z; q: @1 C
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WHY NOT IS 7.5? I THINK IS 3 FEETS EQUAL 1 YARD?