Mathematics, 19.03.2020 21:10 nally6636
Marcos purchases a top-up card for his pre-paid cell phone. His remaining balance, B, can be modeled by the equation B = 35 − 0.4 n , where n is the number of minutes he's talked since purchasing the card. How much money was on the card when he purchased it?
Answers: 3
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Marcos purchases a top-up card for his pre-paid cell phone. His remaining balance, B, can be modeled...
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