唔該！幫幫忙解答我以下2個問題唔該!

xylitol25

唔係好明個問題同"答案"
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1. http://nz.youtube.com/watch?v=lj3iNxZ8Dww&feature=related
8 c% E3 a4 q8 j5 P$ N- \% kAimee 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?"" A7 M8 k" c- g! f% `8 J

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4 G/ o% B. {+ R# Y- jCaitlin 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."1 [( W" p* ]& u2 d, i# @2 f/ Y$ i

% D) Q9 \3 O  P. z2. http://nz.youtube.com/watch?v=itjlj6i9XFo
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4 J+ A; I  f6 E4 D/ P/ d/ MQ:"How many feet are in 2 1/2 yards?, T! a7 L; S3 i
A:"78"6 W# K8 [' G4 o. h1 N8 x& K# ^9 e' q
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WHY NOT IS 7.5? I THINK IS 3 FEETS EQUAL 1 YARD?