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Difference between revisions of "2018 AMC 12A Problems"

(Created page with "==Problem 1== Pablo buys popsicles for his friends. The store sells single popsicles for $1 each, 3-popsicle boxes for $2, and 5-popsicle boxes for $3. What is the greates...")
 
(Problem 1)
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==Problem 1==
 
==Problem 1==
  
Pablo buys popsicles for his friends. The store sells single popsicles for $1 each, 3-popsicle boxes for \$2, and 5-popsicle boxes for $3. What is the greatest number of popsicles that Pablo can buy with \$8?
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A large urn contains <math>100</math> balls, of which <math>36 \%</math> are red and the rest are blue. How many of the blue balls must be removed so that the percentage of red balls in the urn will be <math>72 \%</math>? (No red balls are to be removed.)
  
<math>\textbf{(A)}\ 8\qquad\textbf{(B)}\ 11\qquad\textbf{(C)}\ 12\qquad\textbf{(D)}\ 13\qquad\textbf{(E)}\ 15</math>
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<math> \textbf{(A)}\ 28 \qquad\textbf{(B)}\ 32 \qquad\textbf{(C)}\ 36 \qquad\textbf{(D)}\  
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50 \qquad\textbf{(E)}\ 64 </math>
  
 
[[2018 AMC 12A  Problems/Problem 1|Solution]]
 
[[2018 AMC 12A  Problems/Problem 1|Solution]]

Revision as of 22:50, 8 February 2018

Problem 1

A large urn contains $100$ balls, of which $36 \%$ are red and the rest are blue. How many of the blue balls must be removed so that the percentage of red balls in the urn will be $72 \%$? (No red balls are to be removed.)

$\textbf{(A)}\ 28 \qquad\textbf{(B)}\  32 \qquad\textbf{(C)}\  36 \qquad\textbf{(D)}\   50 \qquad\textbf{(E)}\ 64$

Solution