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Mathematics, 27.09.2021 21:20 Eylul30

A cell phone service provider charges Sarah a flat rate of $ 50 per month, plus an additional $ 0.1 per for every additional text sent over 2000. Suppose that her bill (before taxes) is $ 86. How many text messages did she go over?

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A cell phone service provider charges Sarah a flat rate of $ 50 per month, plus an additional $ 0.1...
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