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 Post subject: Math HelpPosted: Fri Oct 19, 2007 9:27 am
Set of bricks contains 27 identical cube shaped bricks. The bricks fit exactly into a cube shaped box. When the top of the box is opened, how many bricks can be seen.

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 Post subject: Posted: Fri Oct 19, 2007 9:44 am
The cube root of the total tells you the length of each side of the cube.

The cube route of 27 is 3 (3x3x3=27) so each side of the cube will be 3 cubes long.

Opening the top of the box will allow you to see one face of the cube which will be 3x3 bricks.

So the answer is 9 bricks.

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 Post subject: Posted: Fri Oct 19, 2007 9:45 am

Joined: Thu Oct 11, 2007 7:59 am
Posts: 893
Location: Cloud 9
ans: 6. 3x3x3=27. i.e 3 cubed. Opening top of box will show 3 rows of 3

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 Post subject: Posted: Fri Oct 19, 2007 9:47 am

Joined: Thu Oct 11, 2007 7:59 am
Posts: 893
Location: Cloud 9
Doh, I meant 9!!! See how easy it is for these poor cjioldren to make kistakes!!!

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 Post subject: Posted: Fri Oct 19, 2007 9:55 am
Thank you, i was unable to explain it to son.

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