A cookie recipe calls for 2/3 as much sugar as flour, evenly mixed. If 2 cups of flour is used and the recipe makes 16 cookies, how much sugar is there in 6 cookies?

A. 1 cup

B. 1/6 cup

C. 1/4 cup

D. 1/2 cup

Correct answer: D

This is a conversion problem in disguise. First determine the amount of sugar in a single cookie:

(2/3 cups sugar/1 cup flour)(2 cups flour/1 batch)(1 batch/16 cookies)

= 1/12 cups sugar per cookie

Now multiply this by 6 cookies:

= 1/2 cups sugar per 6 cookies.

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