Mathematics, 10.12.2020 21:00 josiahsurfer

Tammy was comparing information for two cell phone plans. Plan A would cost $480 for one year. Plan B would cost $250 for 6 months. Tammy reasons that plan B must cost more for one year. Is there enough information to know if she is correct? Explain your reasoning.

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Tammy was comparing information for two cell phone plans. Plan A would cost $480 for one year. Plan...