The area of a classroom space per student varies inversely with the number of students in the room. when there are 15 students in the room, each student has 20 sq ft of space. how many square feet of space are available per student when there are 25 students in the classroom?

Abilliard ball is struck by a cue. it travels 1 0 0 cm 100cm before ricocheting off a rail and traveling another 1 2 0 cm 120cm into a corner pocket. the angle between the path as the ball approaches the rail and the path after it strikes the rail is 4 5 ∘ 45 ∘ . how far is the corner pocket from where the cue initially struck the ball? do not round during your calculations. round your final answer to the nearest centimeter.