Customers of a phone company can choose between two service plans for long distance calls. The first plan has a one-time activation fee and charges cents a minute. The second plan has no activation fee and charges cents a minute. After how many minutes of long distance calls will the costs of the two plans be equal?

Question

Customers of a phone company can choose between two service plans for long distance calls. The first plan has a  one-time activation fee and charges  cents a minute. The second plan has no activation fee and charges  cents a minute. After how many minutes of long distance calls will the costs of the two plans be equal?

bobpursley · Answer

it can't be done unless you have numbers for activation free, and cost/min