Apainter plans to paint a room with an area of 515 square feet. he mixes paint to create a specific shade of green. the ratio of each color in his mixture is shown: - 1 part blue paint - 3 parts yellow paint - 2 parts white paint the painter estimates that he will need 1 gallon of green paint for every 175 square feet of the room. he estimates the smallest number of whole gallons of green paint needed to paint the room. how much blue paint will the painter need to make this batch of green paint?