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 O( o4 }& a4 U7 [! d- f" A$ K

; `2 b" f8 a5 n% G% ~8 ]1. http://nz.youtube.com/watch?v=lj3iNxZ8Dww&feature=related
# b$ L& m5 O* _, M+ k0 n" V) hAimee 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?"
7 I' Z, [, |2 c3 Z2 ?4 B. F
0 ?8 o( @) i9 D2 h/ Q- ^
4 Q$ M7 k: g" M7 I/ N' }: dCaitlin 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."
* n4 w: x* y6 ], R
; {+ s9 k4 x: T: H* F3 V2. http://nz.youtube.com/watch?v=itjlj6i9XFo) L6 h% H" s4 a1 j
% L/ ?+ i) S& R" b/ B: y
Q:"How many feet are in 2 1/2 yards?) [. e9 J3 q% q4 ~5 F
A:"78"
1 x0 e( x+ E  t: t) G' F
+ P) c) P# |1 [& }WHY NOT IS 7.5? I THINK IS 3 FEETS EQUAL 1 YARD?