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"! Y. S4 u( M+ X' `' Z8 K# A

) j; f& [3 Y7 U' B* ]* s3 E' }1. http://nz.youtube.com/watch?v=lj3iNxZ8Dww&feature=related, B( t: R) x: Q; R9 v4 G
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?"
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$ r# Q" }/ E" d' t  n& a" A) D9 aCaitlin 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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2. http://nz.youtube.com/watch?v=itjlj6i9XFo9 B' g, d' S7 z2 ?0 }6 D+ W: i1 t
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Q:"How many feet are in 2 1/2 yards?$ P! Z+ o  p. B8 u- N4 Q
A:"78"
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6 _% z9 x! W& h* E  {WHY NOT IS 7.5? I THINK IS 3 FEETS EQUAL 1 YARD?