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"5 p( m- Q. [1 R2 j! \
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1. http://nz.youtube.com/watch?v=lj3iNxZ8Dww&feature=related( z  d+ `" X# l8 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?"( Q" O" E* G1 Z+ {
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* p' a8 y) @* s% ]# L3 ], ^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.", \. @  z0 f! V# J9 E

. i( K9 ?5 U9 y5 {5 V3 T' R2. http://nz.youtube.com/watch?v=itjlj6i9XFo
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Q:"How many feet are in 2 1/2 yards?* s( |9 d; O5 F0 X. d5 v3 b8 p
A:"78"$ J7 ^- K  H' i

  Y! q+ e8 `+ ]( mWHY NOT IS 7.5? I THINK IS 3 FEETS EQUAL 1 YARD?