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 o* X+ C( n. ~8 Y  C

# O" R1 H9 K! K1 i1 y6 T- y2 v1. http://nz.youtube.com/watch?v=lj3iNxZ8Dww&feature=related- F/ t3 G, m: F8 M
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?"# M0 P! q7 Y% J: I& y6 ?
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* a; S: h8 |$ ^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."! e: |3 y3 W  G6 p0 u
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2. http://nz.youtube.com/watch?v=itjlj6i9XFo7 x$ j" p7 ~) c. n0 I

( }' o/ b' W5 m3 ]& H4 |6 ^Q:"How many feet are in 2 1/2 yards?/ j" X9 q) q$ R6 C7 ?
A:"78"- j9 L0 n& |  F; |6 X& z. _
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WHY NOT IS 7.5? I THINK IS 3 FEETS EQUAL 1 YARD?