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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1 Y, }% c& A" A' E, M1. http://nz.youtube.com/watch?v=lj3iNxZ8Dww&feature=related  {% U( S- @  m( Y
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?"6 e% M( b. X7 B3 [: H
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+ g' U0 R& f8 U8 F# r$ m3 U2 y" Y8 PCaitlin 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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/ V5 O( C$ k; j8 @6 Z) i2. http://nz.youtube.com/watch?v=itjlj6i9XFo; J( r. u( P9 Z8 c( r! e

4 j* w, F' |) B& B" BQ:"How many feet are in 2 1/2 yards?
6 x6 L5 _" E' M/ `A:"78"
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WHY NOT IS 7.5? I THINK IS 3 FEETS EQUAL 1 YARD?