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"# ?1 e0 u* J' b4 z7 F2 J
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1. http://nz.youtube.com/watch?v=lj3iNxZ8Dww&feature=related
) Y4 b* t0 D; W; jAimee 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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0 c, x# H9 R5 ~5 X& A* D9 J0 m) GCaitlin 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."+ l. Q  F5 B, V' Z0 C, X" b  D' [
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2. http://nz.youtube.com/watch?v=itjlj6i9XFo& w3 R! l& j/ [7 c# J3 K
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Q:"How many feet are in 2 1/2 yards?8 D+ E& z/ e  _; t; \
A:"78"
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WHY NOT IS 7.5? I THINK IS 3 FEETS EQUAL 1 YARD?