Mathematics, 04.11.2020 21:50 Nathaliasmiles

The cost C, in dollars, of a prepaid cell phone call is proportional to the time t, in minutes, that the call lasts. The equation that represents this relationship for carrier A is C = 0.15t. The table below shows the relationship for carrier B. Which carrier has a lower unit rate

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The cost C, in dollars, of a prepaid cell phone call is proportional to the time t, in minutes, that...

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