4) Alison is deciding between two cell phone plans that have the same smart phone she wants as part of the plan Sonic Cellular: $650 for the phone plus $77.75 per month for unlimited data. Magical Mobile: $800 for the phone plus $70.25 per month for unlimited data. At how many months will the total cost of the plans, including the cell phone cost, be the same for the two plans? What is the total cost of that number of months? Write a system of two linear equations and solve it algebraically to answer the questions Let: t = total cost of the plan, including the cell phone, based on the number of months m = number of months on the plan​