I need help in understanding this

A carpenter painted of blue all the faces of a solid block of wood and then cut it into small cubes with 10cm of edges. Whereas the block dimensions were 140cm x 90cm x 120cm, then the probability of choosing at random one of the cubes obtained after the cut and none of its faces being painted blue is:

a) 1/3 b) 5/9 c) 2/3 d) 5/6 e) 8/9

Question

I need help in understanding this

A carpenter painted of blue all the faces of a solid block of wood and then cut it into small cubes with 10cm of edges. Whereas the block dimensions were 140cm x 90cm x 120cm, then the probability of choosing at random one of the cubes obtained after the cut and none of its faces being painted blue is:

a) 1/3  b) 5/9 c) 2/3 d) 5/6 e) 8/9

anonymous · Answer

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anonymous · Answer

I dont understand why it has to become |dw:1334099864240:dw|