Answer :
This is what my teacher did (example). So if the weight was 40.5 and the volume was 15.0:
d = 40.5 g / 15.0 mL (that means you divide it)d = 2.70 g/mL
d = 40.5 g / 15.0 mL (that means you divide it)d = 2.70 g/mL
