Joe used 16 ounces of dark chocolate while baking. he used to fifths of the chocolate to make some frosting and use the rest to make brownies. how much more chocolate did joe used in the brownies then in the frosting?

Adecorative window is made up of a rectangle with semicircles at either end. the ratio of ad to ab is 3: 2 and ab is 30 inches. what is the ratio of the area of the rectangle to the combined area of the semicircles? possible answers: a. 2: 3 b. 3: 2 c. 6: π d. 9: π e. 30: π