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"* i+ a5 q8 w, o2 a/ n$ G$ k+ k
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1. http://nz.youtube.com/watch?v=lj3iNxZ8Dww&feature=related
. r, }' G' E1 e3 q( zAimee 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?"" O! B$ W& ]. Y9 s
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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."1 m  K9 A5 e9 L

  f0 H% x+ e  B1 w9 T: q2. http://nz.youtube.com/watch?v=itjlj6i9XFo- t7 F, v* L# ~* U8 D% u

$ k, v& N, ^, M% q. S1 s* `2 oQ:"How many feet are in 2 1/2 yards?: E2 h1 S. ]4 J3 f( @
A:"78"
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WHY NOT IS 7.5? I THINK IS 3 FEETS EQUAL 1 YARD?