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
/ F8 H. N3 g- T- ?9 u  ]9 g* T- [  j! Z9 |; bAimee 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?"' \+ ]+ c4 ^( @: m" p4 A+ P
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( y7 k8 b+ D5 o# G" T# N3 WCaitlin 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=itjlj6i9XFo
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2 v0 v" C# S% f6 ]$ T, tQ:"How many feet are in 2 1/2 yards?; N8 u* x: L& q
A:"78"
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WHY NOT IS 7.5? I THINK IS 3 FEETS EQUAL 1 YARD?