cell phone plan costs $23.90 per month for 700 minutes of talk time. It costs an additional $0.08 per minute for each minute over700 minutes. To get email access, it costs 20% of the price for 700 minutes of talk time. Your bill, which includes e-mail, is the same each month for 5 months. The total cost for all 5 months is $169.00. Write and solve an equation to find the number of minutes of talk time you use each month.