Measuring the density of unknown liquid

You need to determine the density of an unknown liquid. You notice that a wooden block floats in this liquid with 4.6 cm of the side of the block submerged. When the block is placed in water, it also floats but with 5.8 cm submerged. What is the density of the unknown liquid?
This video is made for the students of physics. forces, kinematic equations, vectors, projectiles, momentum and impulse, collisions, uniform circular motion, rotational motion, simple harmonic motion, current electricity @physicsoffshore ​