Mathematics, 09.12.2021 04:30 abdalla46
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 42 minutes of calls is $13.70, and the remaining credit after 59 minutes of calls is $11.15. What is the remaining credit after 65 minutes of calls?
Answers: 3
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