Kevin has a salt water aquarium.As

Question

Shown below in the shape of a rectangular prism. ( base 36 in, width 18in,height 20 in) . When a rock is submerged into the aquarium the water level rises 0.25 inches. What is the voulume of the rock ?

Answer 1

as a block of water, the displaced fluid is

36*18*0.25 = 162 in^3