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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0 ^$ X3 l% B' W# ~- q1 e. p; f1. http://nz.youtube.com/watch?v=lj3iNxZ8Dww&feature=related$ u6 H  t8 t# p( P& ~* y
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?"1 k' K6 o8 Z5 B5 @( d! P& z
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3 G3 X. h% w) Q# `* m+ }0 hCaitlin 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."* S1 T5 s" l0 R2 D) F

/ Q+ O, E2 V  q& `" l0 N: K2 p; k: A! \2. http://nz.youtube.com/watch?v=itjlj6i9XFo! B4 u$ i" D6 B5 B8 e* @

3 e, ?: C5 I& M% a+ c/ ~Q:"How many feet are in 2 1/2 yards?1 r( C  X. O7 Y, @7 _
A:"78"1 u' q+ ]' P% P) V5 N, a

* y- C' |& t; j' n! j5 zWHY NOT IS 7.5? I THINK IS 3 FEETS EQUAL 1 YARD?