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2011 AMC 10A Problems

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)}\$ $30.00$

Solution

Problem 2

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Problem 3

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Problem 4

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Problem 5

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Problem 6

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Problem 7

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Problem 8

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Problem 9

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Problem 10

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Problem 11

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Problem 12

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Problem 13

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Problem 14

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Problem 15

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Problem 16

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Problem 17

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Problem 18

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Problem 19

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Problem 20

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Problem 21

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Problem 22

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Problem 23

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Problem 24

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Problem 25

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