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"; b6 s% k2 h3 x8 v

( Z4 L; y3 s: M" k* a8 w1. http://nz.youtube.com/watch?v=lj3iNxZ8Dww&feature=related
' u9 n3 F- u# _  l; o; t5 N9 m7 G1 ]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?": N, K- N# d2 p1 B, i
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# [$ n) t7 K" X! M" x$ zCaitlin 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."' F, |# ^  n+ U3 `2 {

# n+ U1 O- u% J* n2. http://nz.youtube.com/watch?v=itjlj6i9XFo" _. ~: }! z; _; Y$ h1 \1 @

$ |  |% X; `3 b7 {% f9 DQ:"How many feet are in 2 1/2 yards?+ \$ e4 E) G) e- R
A:"78"  J: G  ~, a$ d8 K0 s
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WHY NOT IS 7.5? I THINK IS 3 FEETS EQUAL 1 YARD?