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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; w) Y5 |' ?2 u! o* k7 w# ], M1. http://nz.youtube.com/watch?v=lj3iNxZ8Dww&feature=related
' b  j6 h! I; R4 R, y: KAimee 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?"5 Z6 w' f7 p9 p$ l% l8 W

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5 |! ?- h) p; h  t! @" s8 CCaitlin 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=itjlj6i9XFo5 t- |! ~# q( r! |; j& T

( h* c4 W) p- j# o8 x* n/ g; XQ:"How many feet are in 2 1/2 yards?
. _3 W4 N# l5 Y4 ?3 U. OA:"78"0 }# M) e5 x0 S0 H

# j) P  a7 [* |- Y2 T) t  Y' ZWHY NOT IS 7.5? I THINK IS 3 FEETS EQUAL 1 YARD?