A cell phone plan costs ​$19.80 per month for 500 minutes of talk time. It costs an additional ​$0.06 per minute for each minute over minutes. To get​ e-mail access, it costs 20​% of the price for 500 minutes of talk time. Your​ bill, which includes​ e-mail, is the same each month for 8 months. The total cost for all months is ​$226.56 Write and solve an equation to find the number of minutes of talk time you use each month.