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Mathematics, 11.05.2021 21:10 SMACSS13

Planes de conversación y textos Una compañia de teléfonos celulares ofrece dos planos de llamadas y mensajes de texto. La compañia de telefonia celular cobra una tarifa de servicio mensual de $ 20 por cualquier plan que el cliente elija: Los clientes que eligen Talk and Text Plan A pagan cinco centavos por minuto y veinte dólares por 250 mensajes de texto. Los clientes que eligen Talk and Text Plan B pagan diez centavos por minuto (primeros 100 minutos gratis) y quince dólares por 200 mensajes de texto. La ecuación: e = .10 (m - 100) + 15 + 20 se puede utilizar para representar cuánto gastaría un cliente mensualmente por los minutos utilizados. a) Exprese el Plan A como una ecuación donde c es igual al costo ym es igual a los minutos utilizados.​

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