Phillipians413 Phillipians413
  • 22-05-2023
  • Mathematics
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The credit remaining on a phone card (in dollars) is a linear function of the total calling time made with the card (in minutes). The remaining credit after 43
minutes of calls is $19.41, and the remaining credit after 56 minutes of calls is $17.72. What is the remaining credit after 65 minutes of calls?

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