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2005 AMC 12A
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Two is
10
%
10\%
10%
of
x
x
x
and
20
%
20\%
20%
of
y
y
y
. What is
x
−
y
x - y
x
−
y
?
A
1
1
1
B
2
2
2
C
5
5
5
D
10
10
10
E
20
20
20
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