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TiliK225 [7]
3 years ago
5

Brianna's chocolate chip cookie recipe will make about 3 dozen chocolate chip cookies the recipe calls for 2 1/4 cups of flour a

nd 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
Mathematics
2 answers:
Anarel [89]3 years ago
8 0

Answer:

6 cups is the answer.

Step-by-step explanation:

The recipe for chocolate chip cookie calls for 2 1/4 cups(9/4) of flour and 3/8 cup of baking soda.

Number of cups of flour Brianna will need to use is given by:

\frac{2\frac{1}{4}}{\frac{3}{8} }

Solving this we get;

=> \frac{\frac{9}{4}}{\frac{3}{8} }

=> \frac{9}{4}\times \frac{8}{3}

= 6

Hence, the answer is 6 cups.

coldgirl [10]3 years ago
6 0
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.

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