Eric's cell phone service costs $40.00 a month for unlimited calls. He also pays $0.02 for each text message he sends. Which equation represents the total cost, C, in dollars, for a month when Eric sends t text messages? A. C = 40.02t B. C = 40 - 0.02t C. C = 0.02t - 40 D. C = 0.02t + 40
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