His commission rate would be 4%
480/12000=.04
82 tens in the same thing as 820 because if you multiply 82 by 10 you get 820
Answer:
y = 90
Step-by-step explanation:
Since, e || f and a || b
Therefore, quadrilateral so formed is a rectangle.
Each angle of a rectangle is right angle.

Answer:
x and y are the variables