SOLUTION: Customers of a phone company can choose between two service plans for long distance calls. The first plan has a $19 monthly fee and charges an additional $0.13 for each minute of c
Question 1140707: Customers of a phone company can choose between two service plans for long distance calls. The first plan has a $19 monthly fee and charges an additional $0.13 for each minute of calls. The second plan has a $24 monthly fee and charges an additional $0.08 for each minute of calls. For how many minutes of calls will the costs of the two plans be equal Answer by ikleyn(52781) (Show Source):
19 + 0.13x = 24 + 0.08x.
Solve for x, the number of minutes when the costs of the two plans be equal.
0.13x - 0.08x = 24 - 19
0.05x = 5
x = = 100 minutes. ANSWER
