Español 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. See the figure below. There is $32.40 in credit remaining on the card after 20 minutes of calls. How much credit will there be after 33 minutes of calls? Aa Remaining credit 32.40 ? (in dollars) 20 Calling time (in minutes)

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