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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
26
minutes of calls is
$16.36
, and the remaining credit after
45
minutes of calls is
$13.70
. What is the remaining credit after
58
minutes of calls?
26
minutes of calls is
$16.36
, and the remaining credit after
45
minutes of calls is
$13.70
. What is the remaining credit after
58
minutes of calls?
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