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"+ g' j" L" I7 b: t" i- B

. D  \! O* L1 H9 V+ X6 k1. http://nz.youtube.com/watch?v=lj3iNxZ8Dww&feature=related$ }$ g9 r4 ?( _( L/ [
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?"$ ]9 c& v3 C: f+ ~. D
1 f7 j3 p7 |% ~1 l4 [
* B. _3 ?% s* {0 n
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.": v" Y; }' X8 G- R/ z, S
1 u; N) L* t& |3 \& e. t1 Q# ]2 v
2. http://nz.youtube.com/watch?v=itjlj6i9XFo+ _$ C) t( }# S
* x& M  K3 F( ]5 `) F- j& i& e% e
Q:"How many feet are in 2 1/2 yards?; P" k3 J0 L* Z1 E
A:"78"
7 ^- Z# J! S( ?/ D' Y1 `3 |) N
" b! h' V0 R! c: K2 W# q+ FWHY NOT IS 7.5? I THINK IS 3 FEETS EQUAL 1 YARD?