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2011 AMC 12A Question 1

AMC12 · 2011 AMC 12A

Question 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?
  1. $\$24.00$
  2. $\$24.50$
  3. $\$25.50$
  4. $\$28.00$
  5. $\$30.00$