Because all blocks weigh the same, their masses must also be equal. Density is defined as mass per unit volume, so we know the densities of the red and blue blocks are different because their volumes are not the same. Since the volume of a blue block is one-half the volume of a red block, the density of a blue block is the density of a red block.
a. half
b. equal to
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Because all blocks weigh the same, their masses must also be equal. Density is defined as mass per u...
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