A recipe says it produces the best sweet tea. In addition to using tea bags, the recipe calls for cup of sugar for every 1 cups of water.

a. Write an equation that shows the relationship between the number of cups of sugar to the number of cups of water

in this recipe. Let s represent the number of cups of sugar, and let w represent the number of cups of water.

b. If there are 4 cups of water in a pitcher, how many cups of sugar will be needed to follow the recipe for the best

sweet tea? Use the equation written in part (a) to determine your answer.