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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1. http://nz.youtube.com/watch?v=lj3iNxZ8Dww&feature=related. m' J, M: m& r% y, N4 Y
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?"* }; W8 L6 T% q, ~7 v5 k: f

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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."0 _% E$ [- g( o; n2 Q: q# _

( ^- _, A, g- \! |2. http://nz.youtube.com/watch?v=itjlj6i9XFo* s+ q9 ?1 W6 Q; z
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Q:"How many feet are in 2 1/2 yards?( U- {# s5 f2 E+ u- n
A:"78"
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WHY NOT IS 7.5? I THINK IS 3 FEETS EQUAL 1 YARD?