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"3 ^/ a" [% `2 U+ f# j

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2 |$ v- L% C' ^! u$ k- Z" t' _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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! L1 H7 P% O3 y. w0 Z7 w: y) Y# 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."
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2. http://nz.youtube.com/watch?v=itjlj6i9XFo: U" p4 |, p+ B. f# `

/ Y6 N7 W" A# V& n1 b# A, V. v" zQ:"How many feet are in 2 1/2 yards?4 I0 l  x/ V- |
A:"78"
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2 [1 w6 y& {" |! H6 UWHY NOT IS 7.5? I THINK IS 3 FEETS EQUAL 1 YARD?