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The length of each edge of a cube is decreased by 40%. By what percent does the volume of the cube decrease? Express your answer to the nearest tenth.

 
 Sep 9, 2021
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x * x * x = original volume

.6x * .6x * .6x =  .216 original volume       

 

1 - .216 = .784       78.4% decrease

 
 Sep 9, 2021

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