A bag contains 100 cubes that are black, yellow, and white. A student randomly selects a cube without looking and replaces it in the bag. If the student selected 9 black cubes, 4 yellow cubes, and 7 white cubes, which of the options below show a reasonable estimate for the total number of a certain cube in the bag? Select all that apply.
A) 45 black cubes
B) 20 yellow cubes
C) 70 white cubes
D) 90 black cubes
E) 35 white cubes