Assignment:
You are choosing between two long-distance telephone plans. Plan A has a monthly fee of $20.00 with a charge of $0.05 per minute for all long-distance calls. Plan B has a monthly fee of $10.00 with a charge of $0.10 per minute for all long-distance calls. Complete parts a and b.
a. For how many minute of long-distance calls will the costs for the two plans be the same ?
What will be the cost for each plan ?
b. If you make approximately 15 long-distance calls per month, each averaging 30 minutes, which plan should you select?
Provide complete and step by step solution for the question and show calculations and use formulas.