唔該！幫幫忙解答我以下2個問題唔該!

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唔係好明個問題同"答案"; L* \/ M# V. f5 J3 n

! k/ |2 w( W7 y/ b9 b2 m1. http://nz.youtube.com/watch?v=lj3iNxZ8Dww&feature=related' n7 [- \$ t% j5 @* `4 p- l5 h# x: i
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?"7 ]' M& Z; D) v5 w4 }  v2 d

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+ m& z% m1 H# X$ o2 R0 N0 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."* _0 [/ L* F1 t* U+ u& E* _

5 H$ K1 K5 K# f2. http://nz.youtube.com/watch?v=itjlj6i9XFo
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Q:"How many feet are in 2 1/2 yards?
; T; a* K5 P! c3 m5 SA:"78"
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7 [+ D. Z0 O5 q7 |4 SWHY NOT IS 7.5? I THINK IS 3 FEETS EQUAL 1 YARD?