Customers of a phone company can choose between two service plans for long distance calls. The first plan has a $27 monthly fee

Question

3 years ago

15

Customers of a phone company can choose between two service plans for long distance calls. The first plan has a $27 monthly fee

and charges an additional $0.12 for each minute of calls. The second plan has no monthly fee but charges $0.16 for each minute of calls. For how many minutes of calls will the costs of the two plans be equal?

Mathematics

1 answer:

NikAS [45] · Answer 1 · 2021-12-02T13:51:35+03:00

NikAS [45]3 years ago

4 0

The first plan : y = 27 + 0.12x
Second plan : y = 0.16x

27 + 0.12x= 0.16x
27 = 0.04x

x = 67.5 minutes