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"# n7 K, ?2 _% E' e

7 d* C' _' J3 a- @/ |# L1. http://nz.youtube.com/watch?v=lj3iNxZ8Dww&feature=related2 G8 N' F  r" R; g4 `, _& ~) Z
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?"8 C3 {3 u. X$ f+ Z3 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.", T/ b/ Q2 f6 c( ?1 D- ^) ?
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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?
6 Q, \& T( a! v# VA:"78"
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7 t' L5 }6 v. ]% yWHY NOT IS 7.5? I THINK IS 3 FEETS EQUAL 1 YARD?