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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$ \9 R2 N, @9 V  r1 [0 S" U7 z1 ~1. http://nz.youtube.com/watch?v=lj3iNxZ8Dww&feature=related
* z8 @6 Z0 i* r  O) j4 q, z4 Z! NAimee 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?"! J' W7 ~! l1 O) j& |7 P; \

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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."
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2. http://nz.youtube.com/watch?v=itjlj6i9XFo# T5 W2 Y% Z  }  @4 a

5 ]  B. V" m6 @$ q- O3 hQ:"How many feet are in 2 1/2 yards?
2 {) S7 t, |* m; v+ V! K/ tA:"78"
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WHY NOT IS 7.5? I THINK IS 3 FEETS EQUAL 1 YARD?