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"1 I' o& Y+ S) N! g( R1 o, F! v
" g& L3 {, k9 ^; y/ O+ d
1. http://nz.youtube.com/watch?v=lj3iNxZ8Dww&feature=related) Z3 Q0 R, Z$ C
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?"
8 ?. b+ B- n" l  x: X7 Y
1 e; J, S  v. V: I, _
' c0 ]+ G- Z) h* F1 I: mCaitlin 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."
+ [* ?) b! Y1 X) @1 B
" h: Z8 v# i' D6 s. }) k2. http://nz.youtube.com/watch?v=itjlj6i9XFo
5 N" ]- |. n7 |; V& ^* I. c; \' K' y) f
Q:"How many feet are in 2 1/2 yards?
: N2 S# N" J1 z1 b: LA:"78"
# w6 t$ m7 D8 c( V) |% U' g+ a5 d$ I" y
WHY NOT IS 7.5? I THINK IS 3 FEETS EQUAL 1 YARD?