A blimp is filled with 430 m3 of helium.How big a payload can the balloon lift? (The density of air is 1.29 kg/m3;the density of helium is 0.18 kg/m3. )
A) 387 kg
B) 555 kg
C) 77 kg
D) 477 kg
E) 632 kg
Correct Answer:
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