The credit remaining on a phone card in dollars is a linear function of the total calling time made with

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1.The credit remaining on a phone card (in dollars) is a linear function of the total calling time made with ...

e with the card (in minutes). The remaining credit after 33 minutes of calls is $14.72, and the remaining credit after 52 minutes of calls is $11.68. What is the remaining credit after 64 minutes of calls?

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1.AU MAT 120 Systems of Linear Equations and Inequalities Discussion

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