Blueberry Crunch
["1 (No. 2) can crushed pineapple, do not drain", "3 c. blueberries", "3/4 c. sugar", "1 pkg. yellow cake mix", "1 stick margarine", "1/4 c. sugar", "1 c. pecans, chopped"]
["Butter a 9 x 13-inch dish.", "Coat blueberries with 3/4 cup sugar and set aside.", "Pour pineapple into dish and then blueberries.", "Sprinkle dry cake mix over fruit.", "Melt margarine and drizzle over mix.", "Sprinkle 1/4 cup sugar and chopped pecans on top. Do not stir. Bake at 350\u00b0 for about 45 minutes."]
["pineapple", "blueberries", "sugar", "yellow cake mix", "margarine", "sugar", "pecans"]