I've got a cool chart that will help you out. (I think this sounds like an informercial)
.... Now you can easily divide the ingredients and enjoy it without stressing about eating it for the next 3 days or throwing it out.
If you find out that you'll be hosting a large gathering and you want to make a lot more cookies!... Now you can make a extra big batch without fussing with all the fractions in the recipe!
OH, Just in case :) ... c. = cup, T.= Tablespoon, t. = teaspoon