The ratio of flour to water to sugar in a recipe is 7:2:1. The ratio in a new recipe calls for a doubling of the ratio of flour to water from the original recipe and a halving of the ratio of flour to sugar. If the new recipe calls for 2 cups of water, how much sugar is required?  Choose the correct answer
A) 2  B) 3  C) 4  D) 5  E) 6
The ratio of flour to water is 14:2.   The ratio of flour to sugar is 3.5:1=14:4.   The new ratio of flour to water to sugar is 14:2:4   If we need 2 cups of water, then we need 4 cups of sugar.   The answer is 4.
<result>C</result>
The ratio of flour to water to sugar in a recipe is 7:2:1. The ratio in a new recipe calls for a doubling of the ratio of flour to water from the original recipe and a halving of the ratio of flour to sugar. If the new recipe calls for 2 cups of water, how much sugar is required?