Please show all of the work

Problem 2: A 12 kg med block. with densityr Icy/m3 oats in water. A piece of lead is attached to it such that [1.900 of the volume of the weed block is submerged. The density of lead is 1.14 x 1|]4 kgfms. (a). What is the mass of the piece of lead if it is attached to the top of the weed block? {b}. What is the mass of the piece of lead if it is attached to the bottom of the weed block