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", E. `* Q% s1 U

2 {" b, e0 v/ ?9 x/ h# u1. http://nz.youtube.com/watch?v=lj3iNxZ8Dww&feature=related' _: n- l3 E) |& m. d7 V* Z4 h" z
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?"" b- I7 X2 z7 g7 x( P  V9 Q
1 Y' \) y9 S; \' x4 y9 v) V. ^" X

/ F# l% x$ b! p% lCaitlin 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."* h7 J) i( V9 N, C# z0 E
8 E1 r; R; k# M; m
2. http://nz.youtube.com/watch?v=itjlj6i9XFo
9 S, y" y; h. @/ v
& r1 T; e: z9 k4 ~, n7 L/ W! _Q:"How many feet are in 2 1/2 yards?8 L) w3 Q0 T& r5 U) u
A:"78"
- S/ E. ]6 z1 \8 n9 X5 f+ [) W8 ]- r0 D! G
WHY NOT IS 7.5? I THINK IS 3 FEETS EQUAL 1 YARD?