The phone company Splint 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 420 minutes, the monthly cost will be $230. If the customer uses 590 minutes, the monthly cost will be $315. 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 of the Splint plan. Answer: y = Do not use any commas in your answer. B) Use your equation to find the total monthly cost if 798 minutes are used. Answer: If 798 minutes are used, the total cost will be dollars. Question Help: Video Message instructor Submit