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2011 AMC 12A
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A cell phone plan costs $20 dollars each month, plus 5 cents per text message sent, plus 10 cents 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?
A
$24.00
B
$24.50
C
$25.50
D
$28.00
E
$30.00
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