唔該！幫幫忙解答我以下2個問題唔該!

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唔係好明個問題同"答案": a, i1 d' D) R6 e$ U  K+ @, Y4 H

  }0 Z' }+ \' t2 Q: ]5 |1. http://nz.youtube.com/watch?v=lj3iNxZ8Dww&feature=related# P; E/ |% m( V. Y$ H
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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6 c; F; p# X8 |  V  ^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."5 h% d7 J4 c$ M

' E0 q4 o5 c4 |- u' V2. http://nz.youtube.com/watch?v=itjlj6i9XFo
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Q:"How many feet are in 2 1/2 yards?
" N% F$ d9 Y3 a5 W' PA:"78"
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4 C: B% p3 \- a, a9 P, JWHY NOT IS 7.5? I THINK IS 3 FEETS EQUAL 1 YARD?