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"+ Q; d4 Q0 r2 L: o

' r  D1 v: u" o1. http://nz.youtube.com/watch?v=lj3iNxZ8Dww&feature=related8 `$ x/ T* k  Z7 b( \  ^6 I
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?"
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, G  g6 V; y6 ACaitlin 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."
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2. http://nz.youtube.com/watch?v=itjlj6i9XFo6 k0 I2 u! x  B( n2 i; A

0 `5 Z$ g) J+ J8 E. CQ:"How many feet are in 2 1/2 yards?
- b; ^. ~; l6 H4 B7 q( mA:"78"
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WHY NOT IS 7.5? I THINK IS 3 FEETS EQUAL 1 YARD?