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"
: ?9 m% w, N$ y) Q1 B, q0 F
: r6 L) C# s- _- t" b8 K6 d' y0 L0 F4 h6 v) |1. http://nz.youtube.com/watch?v=lj3iNxZ8Dww&feature=related
: r( A5 _; I8 n8 J- N4 t9 q, AAimee 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?"
3 Z9 \. B* ^6 g+ Z! _3 z' E
; G% L, P0 E: h, @8 p7 ]
) v& v8 D; t* d0 e" K; F$ C# K4 sCaitlin 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."
. {/ R! b3 h& \$ s* z# m1 D3 s0 O5 L  }6 p
2. http://nz.youtube.com/watch?v=itjlj6i9XFo5 G, G' Y* O9 ]

+ X, _6 Q& A9 TQ:"How many feet are in 2 1/2 yards?
1 P9 e9 b  p; \/ K) P% Q( @! ?7 bA:"78"
, m: x* p! e( |; O4 W. S$ g: v7 d8 P( B& Q0 y4 G8 {1 w
WHY NOT IS 7.5? I THINK IS 3 FEETS EQUAL 1 YARD?