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"$ `; `  E; t0 H3 p' `5 F

( {$ ]% [. `# @9 f9 G/ v1. http://nz.youtube.com/watch?v=lj3iNxZ8Dww&feature=related  X+ z6 G) B$ q
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?"$ Y$ y# l" O  A; [
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- U- ~: z0 \. vCaitlin 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?) P& p& I3 ?6 W: G9 {
A:"78"$ N9 u$ N# v" q7 b8 E! g0 l

* e. p. z4 y# A+ Z/ A% }, t; v/ {8 s; J9 CWHY NOT IS 7.5? I THINK IS 3 FEETS EQUAL 1 YARD?