a large pizza at palanzios pizza ria costs $6.80 plus 90 cents for each topping. The cost of a large cheese pizza at guidos pizza is $7.30 plus 65 cents for each topping. How many toppings need to be added to a large pizza from palanzzos pizza ria and guidos pizza in order for the pizzas to cost the same not including tax?

Problems and applications q5 four roommates are planning to spend the weekend in their dorm room watching old movies, and they are debating how many to watch. here is their willingness to pay for each film: willingness to pay (dollars) shen antonio dmitri jake first film 10 9 8 3 second film 8 7 6 2 third film 6 5 4 1 fourth film 4 3 2 0 fifth film 2 1 0 0 within the dorm room, the showing of a movie a public good. if it costs $12 to rent a movie, the roommates should rent movies in order to maximize the total surplus. suppose the roommates choose to rent the optimal number of movies you just indicated and then split the cost of renting equally. this means that each roommate will pay $ .