Answer:
9x over x+9
Step-by-step explanation:
Solution,
Arranging the data in ascending order:
0,1,1,2,2,3,3,4,4,4,4,4,4,4,5,6,6,7,8,9
N(total number of items)= 20
Now,
Median:
Again,
r = c/x
A
these two triangles are similar
therefore corresping sides are proportionate
12/8=9/x
12x=72
x=72/12=6