Bob bought 4 packs of peppermint gum and 3 packs of cinnamon gum. each package contained 10 pieces of gum. if bob divided the gum equally between himself and 2 friends, how many pieces of gum were left over?

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.