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
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):
