Lions2672 Lions2672
  • 14-12-2022
  • Mathematics
contestada

Suppose that the credit remaining on a phone card (in dollars) is a linear function of the total calling time (in minutes). When graphed, the function gives a line with a slope of -0.16
There is $29.00 in credit remaining on the card after 25 minutes of calls. How much credit was there after 18 minutes of calls?

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