A student uses tubes of paint to draw on 1 poster and 2 shirts. The student uses 6 tubes of paint to draw on the poster. The number of tubes for the poster is 3 times the number of tubes used for each shirt. Each tube contains 1/3 ounce of paint. How many ounces of paint does the student use for 1 shirt? How many ounces of paint does the student use to make 1 poster and 2 shirts?