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"+ d1 H& P; G' M" u5 u& L& J

6 z' z8 E! P) i4 |1. http://nz.youtube.com/watch?v=lj3iNxZ8Dww&feature=related4 d2 \8 i' N  I3 [* c% V# 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?"' H; D% o, d# u" ]/ e) B

+ t. {: X, g% N# x" P+ ~6 T) X0 L: o' y( l; E* i# a7 d* b
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."
# z  F+ m7 x" y: B
+ Q2 V6 D! X. e. X$ p2. http://nz.youtube.com/watch?v=itjlj6i9XFo
# W" ?2 K$ z. {  q5 A8 T! B
2 e3 O6 O7 x( D5 Y3 p( W2 BQ:"How many feet are in 2 1/2 yards?2 _1 z; d# @& C- T$ k4 [8 {6 H) T
A:"78". o8 h1 @2 w. ^! r% L
9 h$ Q1 }4 A! q" p% ^2 V
WHY NOT IS 7.5? I THINK IS 3 FEETS EQUAL 1 YARD?