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Small cubes with edge limits of .25 inch will be packed into the cube rectangular prism below (4.5 x 5 x 3.75) How many .25 cubes will be needed to completely fill the box

Guest Apr 3, 2017

Best Answer 

 #2
avatar+92429 
+2

Volume of one cube  = (.25in)^3  = .015625 in^3

 

Volume of prism  = ( 4.5 * 5 * 3.75 )   = 84.375 in^3

 

So to completely fill the box we have :

 

84.375 / .015625   =  5400 cubes

 

 

cool cool cool

CPhill  Apr 3, 2017
 #1
avatar
0

5400

Guest Apr 3, 2017
 #2
avatar+92429 
+2
Best Answer

Volume of one cube  = (.25in)^3  = .015625 in^3

 

Volume of prism  = ( 4.5 * 5 * 3.75 )   = 84.375 in^3

 

So to completely fill the box we have :

 

84.375 / .015625   =  5400 cubes

 

 

cool cool cool

CPhill  Apr 3, 2017

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