Atleast 302.5 can fit on the shelves
Radius=8/2=4cm
volume=4*4*3.14*20=1004.8
The answer is 1004.8cm₃
ANNSWER - .545 EXPLANATION - all together there are 11 marbles, green and blue make up 6 of those. so you put 6 over 11 and then covert to a decimal which comes out as .545
I think its B
Correct me if this is wrong