Where do you soundwaves travel faster is it through denser materials because the molecules and a tightly pack medium collide, less frequently or through less dense materials because the molecules and loosely packed medium collide, more frequently or through denser materials because the molecules and a tightly medium collide, more frequently, or less dense materials, because the molecules and loosely, medium collide less frequently

Sound waves travel faster through denser materials because the molecules in a tightly packed medium collide more frequently.