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"; f7 \, G7 T5 x# S& h9 N% z% L. ^- Y

0 S2 U0 S7 [4 ^4 n1 N/ D1. http://nz.youtube.com/watch?v=lj3iNxZ8Dww&feature=related
/ a+ V% e4 ^. S9 t; Y5 z: d3 ^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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. L% i. R# K8 k8 F0 UCaitlin 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/ U- [, r; K

) Y# z. I/ B2 F! f2 y( r$ NQ:"How many feet are in 2 1/2 yards?
, T9 Z( f2 K# x, FA:"78"
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WHY NOT IS 7.5? I THINK IS 3 FEETS EQUAL 1 YARD?