Brianna's chocolate chip cookie recipe will make about 3 dozen chocolate chip cookies the recipe calls for 2 1/4 cups of flour and 3/8 cup of baking soda and Brianna wants to adjust the recipe to include 1 Cup of baking soda how many cups of flour would she needs to use
Accepted Solution
A:
Write and solve an equation of ratios to answer this.
2.25 cup x -------------- = ------------- 0.375 cup 1 cup 2.25 cross-multiplying, 2.25 = 0.375x. Solving for x, x = ---------- = 6 0.375
Brianna would need to use 6 cups of flour if she wants the mixture to contain 1 cup of baking soda.