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"2 ?5 n2 q5 W9 e

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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?"$ T! m  t7 Z% f/ C. X

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" b: s' N* Y! p/ O) Y3 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.", g" @$ ~' l2 e, I7 T  p

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Q:"How many feet are in 2 1/2 yards?+ ^0 D# I  g* K3 X0 V! g
A:"78"
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2 g' e0 y6 \/ p2 Q2 o' |- |# N# @WHY NOT IS 7.5? I THINK IS 3 FEETS EQUAL 1 YARD?