Scott's book weighs 19 ounces. It weighs half as much as Doug's book. How many ounces does Doug's book weigh?
To get the answer you multiply Scott's book by 2 ( because it is half of Doug's book)
19 x 2 = 38
Doug's book is 38 ounces.
+36916 19 = 1/2 d given Multiply both sides by 2
2*`19 = 2 * 1/2 d
38 = d d book = 38 oz
