SOLUTION: The credit remaining on a phone card (in dollars) is a linear function of the
total calling time made with the card (in minutes), as shown in the figure below.
The remaining cred
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Question 1135729: The credit remaining on a phone card (in dollars) is a linear function of the
total calling time made with the card (in minutes), as shown in the figure below.
The remaining credit after 34 minutes of calls is $14.56, and the remaining
credit after 67 minutes of calls is $9.28.
What is the remaining credit after 77 minutes of calls?
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
y, credit remaining
x, number of minutes of calls
Points (34, 14.56) and (67, 9.28)
Simplify this.
Use for the question.
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