Becky needs the regular shade of purple for her artwork. which ratio of red paint to blue paint will she use? how many ounces of blue paint will becky mix with 4 ounces of red paint? a) 1: 1; 4 ounces b) 1: 2; 4 ounces c) 1: 3; 1 ounces d) 2: 1; 2 ounces