Me and explain u answer give u 13 points

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

Im so bad at fractions they are not my best math thing to work on

Use corrrct notations to name the sides