A car salesperson thas already sold \( 30 \) cars this year. He sells an average of \( 13 \) cars per month. Another salespersoin has already sold? this year. She sells an average of \( 11 \) cars per month. After how many months will the salespeople have sold the same number of cars?
Let m represent the number of months. Select the correct values to write alm equation to represent the situation.