URGENT HELP!!! PLEASE!?

A 32.85- sample of a solid is placed in a flask. Toluene, in which the solid is insoluble, is added to the flask so that the total volume of solid and liquid together is 54.00 . The solid and toluene together weigh 58.84 . The density of toluene at the temperature of the experiment is 0.864 .What is the density of the solid? PLEASE HELPP!!!!