SOLUTION: Suppose that the credit remaining on a phone card (in dollars) is a linear function of the total calling time (in minutes). When graphed, the function gives a line with a slope of
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Question 723722: Suppose that the credit remaining on a phone card (in dollars) is a linear function of the total calling time (in minutes). When graphed, the function gives a line with a slope of -0.12.
There is $33.96 in credit remaining on the card after 33 minutes of calls. How much credit will there be after 41 minutes of calls?
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
Each minute over 33 minutes reduces the $33.96 credit by 12 cents.
John
Egw to Beta kai to Sigma
My calculator said it, I believe it, that settles it
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