You can put this solution on YOUR website! volume of 10 inch block = 10*10*10 cubic inches
=1000 cu.in
volume of 2" block = 2*2* cu. in
= 8 cu. in.
Number of 2" blocksa in 10" block = 1000 / 8= 250 blocks.
volume of 20" block = 20*20*20 = 8000 cu.in
number of 2" blocks = 8000/ 8 = 1000 blocks