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"
8 `- w& e9 W8 w, j+ y1 c! n6 C2 _$ W  z1 l
1. http://nz.youtube.com/watch?v=lj3iNxZ8Dww&feature=related
7 s) ^+ [# |/ H( NAimee 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?"0 R" d- \) r- e# m* @0 E' f

+ F8 X* J$ a' @( l) q" N' w" _  l# a3 X
Caitlin 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."
3 |7 g/ @/ s1 M- j9 X
/ E2 [9 i) K9 }" A) F2. http://nz.youtube.com/watch?v=itjlj6i9XFo
  F* ?8 v$ m* S+ _3 g% `
0 l3 v, d' w& KQ:"How many feet are in 2 1/2 yards?9 s! e+ f5 s6 y, E
A:"78"
6 p  h6 ^4 K, g- J) f2 N8 Q0 U" W' u7 b$ T* L
WHY NOT IS 7.5? I THINK IS 3 FEETS EQUAL 1 YARD?