Mathematics, 25.11.2021 05:10 saltyimps3

The credit remaining on a phone card is a linear function of the total calling time made with the card( in minutes). The remaining credit after 34 minutes of calls is $25.58, and the remaining credit i go after 48 minutes of calls is $23.76. What is the remaining credit after 50 minutes of calls

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The credit remaining on a phone card is a linear function of the total calling time made with the ca...