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National and Regional Contests
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MAA AMC
AMC 10
2001 AMC 10
10
10
Part of
2001 AMC 10
Problems
(1)
Easy Algebra Problem
Source:
1/7/2007
If
x
x
x
,
y
y
y
, and
z
z
z
are positive with xy \equal{} 24, xz \equal{} 48, and yz \equal{} 72, then x \plus{} y \plus{} z is
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18
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19
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24
<span class='latex-bold'>(A) </span>18\qquad<span class='latex-bold'>(B) </span>19\qquad<span class='latex-bold'>(C) </span>20\qquad<span class='latex-bold'>(D) </span>22\qquad<span class='latex-bold'>(E) </span>24
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19
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24
SFFT
AMC
AMC 10