A formula for 8 bottles of window cleaner calls for 6 cups of rubbing alcohol, 2 and one-fourth gallons of water, and 1 and one-half cups of ammonia. How many quarts of rubbing alcohol would the formula call for if a factory made 1,280 bottles for stores to sell to customers?

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