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"$ v$ v1 e* H6 m2 `) ~

) ?* r$ f0 Y- [& a1. http://nz.youtube.com/watch?v=lj3iNxZ8Dww&feature=related
8 Z% z" P$ ]+ t* C7 p/ W# GAimee 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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% ]+ |( _5 c& e1 X; K4 Z* }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! C% u+ I3 `1 D* |

% Y; @* y* e# v7 Z6 AQ:"How many feet are in 2 1/2 yards?
* i  o# Q6 I' |! ^& w% u3 wA:"78"5 S& L& K4 ~" n! b) g
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WHY NOT IS 7.5? I THINK IS 3 FEETS EQUAL 1 YARD?