Mathematics, 11.07.2019 22:00 ansley81

Troy signed up for a new cell phone plan which charges him a fee of $40 per month, plus $0.05 for each text message that he sends. if troy wants to spend at the most $70 on his cell phone bill this month which inequality below can be used can be used to determine the number of text messages that he can send

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Troy signed up for a new cell phone plan which charges him a fee of $40 per month, plus $0.05 for ea...