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"( [3 i1 t4 n/ Q9 I

8 A; s$ p5 @% f; i" h/ G1. http://nz.youtube.com/watch?v=lj3iNxZ8Dww&feature=related
  K. c! o& M5 z; x! |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?"
# S$ c' g  O! r1 P8 X
! y. {; f; y! K5 S
+ X* j2 u# w  a3 c+ Z* u2 iCaitlin 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.": l) ~4 D: J+ x* b; u& L4 f7 j4 B) y

9 O: Y  q; L, Z& a5 e2. http://nz.youtube.com/watch?v=itjlj6i9XFo
3 t8 p& A' k% b% O1 G
; Y. D  I& b% P8 x9 l% rQ:"How many feet are in 2 1/2 yards?, K( A7 K7 D, C% e" `0 E" \
A:"78". k: R+ c2 Q! R% Q. E

, l: y( U! n7 a8 J+ SWHY NOT IS 7.5? I THINK IS 3 FEETS EQUAL 1 YARD?