Mathematics, 19.09.2021 02:50 ooof3

9. Max pays a monthly fee of $42 for his phone and a charge of $0.50 per text message. How
many text messages did he send last month if he
was charged a total of $ 87.50?

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9. Max pays a monthly fee of $42 for his phone and a charge of $0.50 per text message. How
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