Mathematics, 13.09.2021 09:40 sumayyahjj
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 23 minutes of calls is $22.24, and the remaining credit after 52 minutes of calls is $18.76. What is the remaining credit after 66 minutes of calls?
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The credit remaining on a phone card (in dollars) is a linear function of the total calling time mad...
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