唔該！幫幫忙解答我以下2個問題唔該!

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唔係好明個問題同"答案"8 _! z0 y& n! C6 B! \

* m$ Y( r, X" f2 m6 A1. http://nz.youtube.com/watch?v=lj3iNxZ8Dww&feature=related% Y5 e* q. x1 Q' k5 Q
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?"+ b" h' Z  a& s/ B4 t

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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."/ N) A5 b0 ]3 b; {, c

2 i' X/ w" f. A3 w2. http://nz.youtube.com/watch?v=itjlj6i9XFo) `+ B5 A# V4 J9 P7 I/ Z

5 Z3 H  j, M% Q. kQ:"How many feet are in 2 1/2 yards?, I/ e; \* |: O; s! _
A:"78"
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WHY NOT IS 7.5? I THINK IS 3 FEETS EQUAL 1 YARD?