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By about what percentage will the edge length of an ice cube decrease if the cube...

By about what percentage will the edge length of an ice cube decrease if the cube loses 7% of its volume by melting?

Math   Calculus   
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Answer #1

Suppose initial edge length is x

So volume =

New volume is 7% less than the actual volume () Means new volume is (100-7)% of

New volume =

New edge length =

Or,

Decrement in edge length = x -0.9761x = 0.0239x

% decrease in length =

Answer is 2.39%

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