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MAA AMC
AMC 8
2013 AMC 8
1
1
Part of
2013 AMC 8
Problems
(1)
2013/8/1/Car lot beautifying
Source:
11/27/2013
Danica wants to arrange her model cars in rows with exactly 6 cars in each row. She now has 23 model cars. What is the smallest number of additional cars she must buy in order to be able to arrange all her cars this way?
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1
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2
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C
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3
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D
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4
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5
<span class='latex-bold'>(A)</span>\ 1 \qquad <span class='latex-bold'>(B)</span>\ 2 \qquad <span class='latex-bold'>(C)</span>\ 3 \qquad <span class='latex-bold'>(D)</span>\ 4 \qquad <span class='latex-bold'>(E)</span>\ 5
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4
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5
modular arithmetic
AMC