Question

A trash compactor can compress its contents to 0.350 times their original volume and 4 times...

A trash compactor can compress its contents to 0.350 times their original volume and 4 times denser than their original density. Neglecting the mass of air expelled, what factor is the old density of the rubbish? a. 1.4 b. 4 c. 2.4 d. 2.3

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