The credit remaining on a phone card in dollars is a linear function of the total time in minutes. When graphed, the function gives a line with a slope of -0.13.
There is a credit or $24.94 remaining on the card after 38 minutes. How much credit will there be after 47 minutes.
Can you show the work on how to solve this problem so I can understand how you arrived at the solution?© BrainMass Inc. brainmass.com March 4, 2021, 8:13 pm ad1c9bdddf