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"
2 z8 P' L: [. g; Z8 w0 L$ P' Z4 {! }8 M7 U% r
1. http://nz.youtube.com/watch?v=lj3iNxZ8Dww&feature=related. |( i* N3 E" D/ u, i2 w
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?"+ P  ]0 o1 i. B" F. T4 Z+ p
0 t5 u/ i4 B5 k! t" u3 F

$ U  g4 W+ n5 @- J* @# B. y8 VCaitlin 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."8 o# F8 b9 l/ P6 \" x" R

  i2 A3 X6 U6 b+ Q2 A/ y2. http://nz.youtube.com/watch?v=itjlj6i9XFo7 q$ x* i$ S& f- k. d+ o

3 {, `9 e: S) Q, JQ:"How many feet are in 2 1/2 yards?
& e% K8 l/ H0 V/ u# s6 p' d- o1 oA:"78"6 e5 K9 I$ z) f# Q" \" l* z
) {  z2 q% l$ A% V
WHY NOT IS 7.5? I THINK IS 3 FEETS EQUAL 1 YARD?