Mathematics, 15.10.2019 12:30 mariaaaaa69
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
44
minutes of calls is
$17.96
, and the remaining credit after
77
minutes of calls is
$12.68
. what is the remaining credit after
100
minutes of calls?
Answers: 2
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