Mathematics, 03.10.2019 06:00, priscilalegarda

Aphone company offers a choice of three text messaging plans plan it gives you unlimited text messages for $10 a month. plan b charges $5 a month and plus $0.05 for each text message you send and plan c has no monthly fee but charges you $0.10 per message. write an equation for the monthly cost of each of the three plans

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