a collector has 120 movie posters and 80 band posters. She wants to sell 27 movie posters but still have her poster collection maintain the same ratio of 180:80. if she sells 27 movie posters, how many band posters should she sell?

How do you find the area of a triangle

Arestaurant offers delivery for their pizzas. the total cost the customer pays is the price of the pizzas, plus a delivery fee. one customer pays $23 to have 2 pizzas delivered. another customer pays $59 for 6 pizzas. how many pizzas are delivered to a customer who pays $86?

Find the circumference of a pizza with a diameter of 10 inches round to the nearest tenth