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Mathematics 10 Online
OpenStudy (anonymous):

Sending text messages from Katrina's cell phone costs $0.11 per text message. From last month, she has a credit on her bill for $5.50. How much more money will she need to pay for text messages this month if she has sent 170 messages? $11.20 $14.70 $13.20 $18.70

OpenStudy (anonymous):

thats one expensive phone bill is what it is..

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