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 C1 |2 ~: V& L3 m6 f% P1. http://nz.youtube.com/watch?v=lj3iNxZ8Dww&feature=related/ l4 B3 Y1 X$ I8 |" }$ _  u
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?": j7 P1 o. ?: r9 h

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! `- s% w$ `# U7 I6 a6 @) ~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."  x; A' e( u; k
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2. http://nz.youtube.com/watch?v=itjlj6i9XFo  p6 {/ G: c+ e
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Q:"How many feet are in 2 1/2 yards?8 |$ J/ Q2 y0 Y& Z- m! C' y- x
A:"78"3 u/ i! K. H! R& f! W9 q5 M1 k
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WHY NOT IS 7.5? I THINK IS 3 FEETS EQUAL 1 YARD?