Section j in an arena has 20 rows. each row has 15 seats. all tickets cost 18 dollars each. if all of them are sold, how much money will the arena collect for section j.

Several paint mixtures are made by mixing blue paint and white paint. paint colors blue paint white paint mixture a 5 cups 12 cups mixture b 6 cups 6 cups mixture c 4 cups 12 cups mixture d 5 cups 6 cups which mixture has the highest ratio of blue paint to white paint