A cell phone plan cot ​$ 22. 70 per month for 600 minute of talk time. It cot an additional ​$ 0. 05 per minute for each minute over 600 minute. To get​ e-mail acce, it cot 10​% of the price for 600 minute of talk time. Your​ bill, which include​ e-mail, i the ame each month for 8 month. The total cot for all 8 month i ​$ 227. 76. Write and olve an equation to find the number of minute of talk time you ue each month