- #1

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## Homework Statement

## Homework Equations

Density = mass / volume

## The Attempt at a Solution

the correct ans given is B.

Mass is constant. I calculated the volumes of each (the cube of the separation), found the difference in density and then divide the difference by the initial density. but the answer i obtained was 0.31, which is not even given here.

i verified my answer many times but there don't seem to be an error