A question for my geometry homework?

Question

Martin makes pewter figurines and wants to know how much molten pewter he needs for each mold. He knows that when a solid object with a volume of 1 cubic centimeter is submerged in water, the water level rises 1 milliliter. Martin pours 200 mL of water in a measuring cup, completely submerges a figurine in it, and watches it rise to 343 mL. What is the maximum amount of molten pewter, in cub centrimeters, Martin would need to make a figurine? Explain.

Answer 1

343 mL - 200 mL = 143 mL, the amount of water displaced.

if mL water displaced = 1 cubic cm solid, then the solid is 143 cubic cm.