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"
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! V0 B7 J$ @" Y+ _- J7 [# Y1. http://nz.youtube.com/watch?v=lj3iNxZ8Dww&feature=related
. o# @# n; H; b8 S( A1 X) R* JAimee 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?"8 ]2 M' {: Q. D

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7 s& E6 [, k$ e0 D+ D! ^* j' DCaitlin 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."1 h! j  C0 C2 f

$ k/ x; O# e# K0 f2. http://nz.youtube.com/watch?v=itjlj6i9XFo2 A% n# m% ~' z$ ~$ C9 g- r. h

/ r2 F( e4 a% _9 v: iQ:"How many feet are in 2 1/2 yards?* o1 }& ^6 ^: i. a
A:"78"
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8 b1 X' M: G& E- Z/ Z, Z& PWHY NOT IS 7.5? I THINK IS 3 FEETS EQUAL 1 YARD?