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 a" g; E/ A) W: C- F7 B1. http://nz.youtube.com/watch?v=lj3iNxZ8Dww&feature=related2 n4 l4 L, p8 h) G
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?") m& N8 H+ @/ F0 f2 U
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" U1 b2 Q, L' K% A4 u; FCaitlin 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# B2 T* \4 ]' Z' t( t# I

) E- V3 q8 m: v1 U/ C* @Q:"How many feet are in 2 1/2 yards?1 ^" }) q; ^) p, x; }/ P( R
A:"78"9 {. y" X, f' o% F4 i; S3 g/ N
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WHY NOT IS 7.5? I THINK IS 3 FEETS EQUAL 1 YARD?