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2011 AMC 12A Problems: Difference between revisions
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== Problem 1 == | == Problem 1 == | ||
[[2011 AMC 12A Problems/Problem 1|Solution]] | [[2011 AMC 12A Problems/Problem 1|Solution]] | ||
A cell phone plan costs <math>\</math>20 dollars each month, plus <math>5</math> cents per text message sent, plus <math>10</math> cents for each minute used over <math>30</math> hours. In January Michelle sent <math>100</math> text messages and talked for <math>30.5</math> hours. How much did she have to pay? | |||
<math> \textbf{(A)}\ </math>\<math> 24.00 \qquad | |||
\textbf{(B)}\ </math>\<math> 24.50\qquad | |||
\textbf{(C)}\ </math>\<math> 25.50\qquad | |||
\textbf{(D)}\ </math>\<math> 28.00\qquad | |||
\textbf{(E)}\ </math>\<math> 30.00</math> | |||
== Problem 2 == | == Problem 2 == | ||
Revision as of 14:22, 9 February 2011
Problem 1
Solution
A cell phone plan costs 
20 dollars each month, plus 
cents per text message sent, plus 
cents for each minute used over 
hours. In January Michelle sent 
text messages and talked for 
hours. How much did she have to pay?
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