Food labels list the amount of carbohydrates. If the food is cut in half, is the carbohydrate cut in half?

On the new food labels, it lists the number of carbohydrates per food serving. If the food serving is cut in half, does that mean the amount of carbohydrate will be cut in half as well? The amount of carbohydrates listed on the Nutrition Facts food label on food packages is the number of carbohydrates...

Does the US Dietary Guidelines call for less than 10% of calories from sugar mean sucrose, naturally occurring sugars or all sugars?

Does the US Dietary Guidelines in calling for no more than 10% of calories from sugar mean a) added sucrose, b) sucrose, added or naturally occurring, or c) all simple sugars (fructose, glucose, lactose, sucrose, etc.)? Do you also know whether sugars on the food label refers to added sucrose or to sucrose (whether or...