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"3 i' G, S3 t2 S0 S

1 i0 u! U9 Z- o8 k7 r5 n1. http://nz.youtube.com/watch?v=lj3iNxZ8Dww&feature=related
$ u  t) |1 i' D: l( E" HAimee 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?") ?" q7 I2 \+ r% h

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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."' P8 R* Z1 l  j2 Z' g  t8 n
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2. http://nz.youtube.com/watch?v=itjlj6i9XFo
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Q:"How many feet are in 2 1/2 yards?
. F  J0 D5 Y3 a4 _# S+ r/ {A:"78"
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WHY NOT IS 7.5? I THINK IS 3 FEETS EQUAL 1 YARD?