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The amourt of flour needed for a recipe varles directly with the number of servings plannedx. Three servings require cups of four
Wrte a direct variation equation in the form to represent thls relationship.

The amount of flour needed can be represented as , where is the constant of proportionality. If three servings require cups of flour, we can convert that to an improper fraction: cups. With servings, we can find as follows: . Therefore, the direct variation equation is .

Now you have a recipe equation in hand! When you want to figure out how much flour you need for, say, 6 servings, you simply plug in into your equation. Just remember, this nifty relationship saves you from the guesswork in the kitchen, making sure your cookies come out perfectly delicious every time!