help me please

A stucierit was asked to determine the density of an unknown piece of metal. The student decided to use water-displacement as a strategy. Thiese are the steps the student took.... First: Determined the mass of an empty graduated cylinder. 45.2g Second: Placed 42.0mL (density =1.00g/mL ) of water into the cylinder. Third: Placed the metal into graduated cylinder. Fourtt Determined the final volume of water + metal, 70.3mL Fiftti: Determined the mass of cylinder with all its contents, 390.4g What is the density (in g/mL ) of the metal? Do not type units into your