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"
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7 s! o1 R  m: ?6 |3 c1. http://nz.youtube.com/watch?v=lj3iNxZ8Dww&feature=related
1 ^* M" b& f) Z. N+ q% tAimee 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?"/ L0 u* p: F; ^# |4 c

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2 w3 e7 S" Q- J) V7 J, ^* b( TCaitlin 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.". C/ _" }+ T% B* L% b" K, `

; e+ L# i5 Q/ e! e# @* R# Q2. http://nz.youtube.com/watch?v=itjlj6i9XFo' }6 x6 O" S& r0 V$ ~

, O- U" v: Z. v  n# w( LQ:"How many feet are in 2 1/2 yards?" k2 [% r3 V' ^3 H; W! z1 E
A:"78". {  z6 b" O3 q
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WHY NOT IS 7.5? I THINK IS 3 FEETS EQUAL 1 YARD?