500
Ms. Ivol uses tubes of paint to draw on 1 posters and 3 t shirts.
-She uses 12 tubes of paint on the poster
-The number of tubes used for the poster is 3 times the number used for each shirt
-Each tube contains 1/2 ounces of paint.
How many ounces of paint does Ms. Ivol need for 1 shirt?
What is 4 x 1/2 =4/2 = 2 ounces of paint