Two balls float on the surface of a pool filled with fresh water of density $1,000 \mathrm{~kg} / \mathrm{m}^{3}$. If ball A has $45 \%$ of its volume above the surface of the water, and ball $\mathrm{B}$ has $55 \%$ of its volume above the surface, what is the ratio of the density of ball A to that of ball B?
A) 0.818
B) 1.07
C) 0.935
D) 0.905
E) 1.22
F) None of the above

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The Answer of  Two balls float on the surface of a pool filled with fresh water of density $1,000 \mathrm{~kg} / \mathrm{m}^{3}$. If ball A has $45 \%$ of its volume above the surface of the water, and ball $\mathrm{B}$ has $55 \%$ of its volume above the surface, what is the ratio of the density of ball A to that of ball B?
A) 0.818
B) 1.07
C) 0.935
D) 0.905
E) 1.22
F) None of the above

Two Balls Float on the Surface of a Pool Filled 1,000 kg/m31,000 \mathrm{~kg} / \mathrm{m}^{3}1,000 kg/m3

Two Balls Float on the Surface of a Pool Filled $1,000 \mathrm{~kg} / \mathrm{m}^{3}$