SOLUTION: A cell phone company charges a monthly fee of $10 for the first 1000 text messages and 10 cents for each additional text message. Miriam's bill for text messages for the month of J

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Question 983952: A cell phone company charges a monthly fee of $10 for the first 1000 text messages and 10 cents for each additional text message. Miriam's bill for text messages for the month of June is $38.50. How many text messages did she send that month?
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
Let +n+ = the number of text messages
over +1000+ messages
+10+%2B+.1n+=+38.5+
+.1n+=+28.5+
+n+=+285+
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She sent +1000+%2B+285+
She sent 1,285 text messages