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"
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" U5 L; H* }) c2 T; N( @9 m! H1. http://nz.youtube.com/watch?v=lj3iNxZ8Dww&feature=related
0 _+ C; [" f9 S! A4 fAimee 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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0 H3 v. A& O2 a9 O2 g- hCaitlin 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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- Q$ s8 o6 [" L* M2. http://nz.youtube.com/watch?v=itjlj6i9XFo
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Q:"How many feet are in 2 1/2 yards?
& O3 s7 D( M) t; o+ ]! v& {A:"78") [5 c/ T+ S! B, }1 L- h% b0 @

9 W% S7 z5 f& j, HWHY NOT IS 7.5? I THINK IS 3 FEETS EQUAL 1 YARD?