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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- _4 Z4 D' ^( v7 y$ Q; [1 Z+ Y5 h& [1. http://nz.youtube.com/watch?v=lj3iNxZ8Dww&feature=related
% D# s& K. `6 _- R) iAimee 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?": @1 b1 M$ G3 p, D

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; i) w; q/ G. v0 I7 z, r& f2 L. `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."
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2. http://nz.youtube.com/watch?v=itjlj6i9XFo" k& Q; o( C  K% b" u

' ^/ `$ U: L  f- ?! k0 D- n  e0 v* y( J5 HQ:"How many feet are in 2 1/2 yards?
7 A* Z6 K9 h2 l4 [A:"78"" F, }: {, Y, ^% e% G
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WHY NOT IS 7.5? I THINK IS 3 FEETS EQUAL 1 YARD?