Mathematics, 23.07.2019 07:40 chocolate1294

There are 2 cell phone plans available from cell phones r us company. plan a charges 30$ a month plus $0.01 for every text message. plan b charges $20 a month plus $0.05 for every text message. how many text messages do you need to send in order for plan a to be cheaper than plan b? a.) 20 + 0.05m > 30 + 0.01m b.) 20 + 0.05m < 30 + 0.01m c.) 20 + 0.05m ≤ 30 + 0.01m d.) 30 + 0.05m . 20 + 0.01m

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There are 2 cell phone plans available from cell phones r us company. plan a charges 30$ a month plu...