The phone company NextFell has a monthly cellular plan where a customer pays a flat monthly fee and then a certain amount of money per minute used on the phone. If a customer uses 400 minutes, the monthly cost will be $104. If the customer uses 820 minutes, the monthly cost will be $188. A) Find an equation in the form y = ma + b, where a is the number of monthly minutes used and y is the total monthly cost of the NextFell plan. Answer: y = B) Use your equation to find the total monthly cost if 654 minutes are used. Answer: If 654 minutes are used, the total cost will be dollars