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"/ G( d8 o9 o3 i+ J7 o, Q

' N" V; x1 B4 F7 y0 Z1. http://nz.youtube.com/watch?v=lj3iNxZ8Dww&feature=related3 _- Z0 H' T- f) q& U6 @5 L
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?"
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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
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Q:"How many feet are in 2 1/2 yards?3 y2 l8 ?1 z& o% [2 k  {3 ~, s( V
A:"78"; E2 o* G8 V4 S! D3 n; g% M
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WHY NOT IS 7.5? I THINK IS 3 FEETS EQUAL 1 YARD?