2011 AMC 10A Problems/Problem 1

Problem 1

A cell phone plan costs $\$ $20$ each month, plus $5$ ¢ per text message sent, plus 10¢ for each minute used over $30$ hours. In January Michelle sent $100$ text messages and talked for $30.5$ hours. How much did she have to pay?

$\textbf{(A)}\$ $24.00 \qquad\textbf{(B)}\$ $24.50 \qquad\textbf{(C)}\$ $25.50\qquad\textbf{(D)}\$ $28.00\qquad\textbf{(E)}\$ $30.00$

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2011 AMC 10A Problems/Problem 1

Problem 1

Solution