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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2 N  L% c# O1 V: D$ k* a( i1. http://nz.youtube.com/watch?v=lj3iNxZ8Dww&feature=related
9 w7 E& y+ e. IAimee 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?"
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- B  z. e. Q/ oCaitlin 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."3 G  j3 Q3 Y9 b0 f* o! Z) ]
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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, h6 L4 P3 Z0 m- n. _7 s  O
A:"78"  `1 o0 L* `! h- C) w9 A
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WHY NOT IS 7.5? I THINK IS 3 FEETS EQUAL 1 YARD?