Question 15 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 440 minutes the monthly cost will be 68 If the customer uses 900 minutes the monthly cost will be 114 A Find an equation in the form y mx b where 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 731 minutes are used Answer If 731 minutes are used the total cost will be Question Help Video Message instructor dollars