A high school has 12 ninth grade teachers, 14 tenth grade teachers, 16 eleventh grade teachers, and 15 twelfth grade teachers. What is the ratio of ninth grade teachers, to the total amount of teachers in the high school?

Answer 20 points and brainiest ! on the board, your teacher writes an example of how to find the median. one of the numbers is erased, leaving what is shown, 18, 30, 26,12 22. what is the median? a. 10 b. 20 c. 24 d. 28