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"# x2 {- P4 p3 m. D& e

1 b3 B4 e1 s/ i4 X% V1. http://nz.youtube.com/watch?v=lj3iNxZ8Dww&feature=related+ J; U$ g! j& J: i3 e
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?"% ~+ y0 @: ]7 j' \
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% m1 a, E! G9 tCaitlin 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."; z: z8 ?) D* f5 ^9 \

. p0 @6 Y( F/ A0 `6 v* N# d2. http://nz.youtube.com/watch?v=itjlj6i9XFo
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, G( p8 c6 C$ ?# E/ T/ g& Z# kQ:"How many feet are in 2 1/2 yards?) m  v. q; ]/ l# x* v4 @" X6 |
A:"78"; ]# v$ A- M, D7 Z3 u& Q

7 `" V2 u) u; U* \0 R  S- J" wWHY NOT IS 7.5? I THINK IS 3 FEETS EQUAL 1 YARD?