A Solid Object Is Made of Two Materials,one Material Having

Multiple Choice

A solid object is made of two materials,one material having density of 2 500 kg/m³ and the other having density of 6 000 kg/m³.If the object contains equal volumes of the materials,what is its average density?

A) 3 529 kg/m³
B) 4 250 kg/m³
C) 5 250 kg/m³
D) 8 500 kg/m³
E) more information is needed