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Imagine sharing the use and cost of a phone with a member of your family. Each may send an additional 250 messages per month (that is, 250 more messages than the plan allows) if you pay half the phone bill, how many would you pay with each plan?option 1: option 2:

Imagine sharing the use and cost of a phone with a member of your family Each may send an additional 250 messages per month that is 250 more messages than the p class=

Respuesta :

Costo de opcion 1: y = 0.05x + 20

Costo de opcion 2: y = 0.20x + 5

500 (250 cada uno) mensajes en opcion 1: y = 0.05(500) + 20 = 25 + 20 = 45

500 (250 cada uno) mensajes en opcion 2: y = 0.20(500) + 5 = 100 + 5 = 105

Como cada quien paga la mitad:

Pago en opcion 1: 45/2 = $22.50

Pago en opcion 2: 105/2 = $52.50

Respuesta:

Pago en opcion 1: $22.50

Pago en opcion 2: $52.50

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