siennachavez8615 siennachavez8615
  • 30-11-2022
  • Mathematics
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The credit remaining on a phone card (in dollar) i a linear function of the total calling time made with the card (in minute). The remaining credit after 29 minute of call i $26. 23, and the remaining credit after 55 minute of call i $22. 85. What i the remaining credit after 59 minute of call?

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