A 98 Kg Solid Sphere,made of Metal Whose Density Is 3000

A 9.8 kg solid sphere,made of metal whose density is 3000 kg/m³,is suspended by a cord.The sphere floats when placed in a liquid of density 4200 kg m3.The fraction of the volume of the sphere that is submerged is closest to:

A) 0.71
B) 0.73
C) 0.75
D) 0.69
E) 0.67