Tamara has a cell phone plan that charges $0.07 per minute plus a monthly fee of $19.00. She budgets $29.50 per month for total
cell phone expenses without taxes. Write an equation to determine the maximum number of minutes Tamara could use her phone each month in order to stay within her budget?
Think of it logically: A and C are not below sea level so you can cross them out. And B doesn't work because if you decrease -10 by 10 you get -20. So, D is correct.
