Question

You are choosing between two long-distance telephone plans. Plan A has a monthly fee of $45.00 with a charge of $0.05 per minute for all long-distance calls. Plan B has a monthly fee of $15.00 with a
charge of $0.15 per minute for all long-distance calls. Complete parts a and b.
a. For how many minutes of long-distance calls will the costs for the two plans be the same?
minutes​

Answer 1

You will pay 15 dollars during the month.

45-15=30, so you have 30 dollars left to spend on talking. Now you divide 30 by 0.05 to find the amount of minutes possible. 30/0.05=600, so you can spend 600 minutes talking.