The object Mary is examining has a mass of 55grams. What is the density of the object?

Can't do it. density = mass/volume. The mass is 55 g. What's the volume in cc or mL?

To find the density of an object, you need to know both the mass and volume of the object. Since only the mass is given in this case, we need additional information to proceed. Could you provide the volume of the object?