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 i0 C+ w$ q& I& n" H
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1. http://nz.youtube.com/watch?v=lj3iNxZ8Dww&feature=related7 F. V: `3 r' m& o7 V8 {
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?"& J/ G8 ?( x# f
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! V& |5 ^# b8 N3 W3 @7 nCaitlin 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."( f9 Z0 ^8 L. Q/ w9 k7 q7 w2 j& f

+ C# q( Z4 ^- K/ L, C# ~7 Q3 x! \4 _1 {' P- }2. http://nz.youtube.com/watch?v=itjlj6i9XFo6 u. R) E8 _9 ?2 @/ A5 @( o0 I( p
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Q:"How many feet are in 2 1/2 yards?2 I& N; k8 a5 U0 D4 n
A:"78". |" Z6 o$ y# G( A' N! a  k+ W

4 l; t3 R/ f! z% |+ Q. E% q4 IWHY NOT IS 7.5? I THINK IS 3 FEETS EQUAL 1 YARD?