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"# f* K. }6 s( E7 K# v1 m

7 E% U1 f! f0 p8 h( e  u1. http://nz.youtube.com/watch?v=lj3iNxZ8Dww&feature=related
& \) A! R9 N+ J$ R9 SAimee 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?"
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5 w! B& R, A: c/ G5 ^" M2 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."7 o- ]4 G. |+ G

0 ]! i0 H! q+ k9 H- m$ {, q5 ~2. http://nz.youtube.com/watch?v=itjlj6i9XFo. r, n8 @. ?9 M4 B

& c$ e# H( p1 P6 |Q:"How many feet are in 2 1/2 yards?
, _5 Z" a$ l2 e8 X7 C4 SA:"78"
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WHY NOT IS 7.5? I THINK IS 3 FEETS EQUAL 1 YARD?