A recipe requires 3 cups of flour for 12 cookies. How many cups are needed for 3

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Question: A recipe requires 3 cups of flour for 12 cookies. How many cups are needed for 30 cookies?

Options:

Correct Answer: 7.5 cups

Solution:

Cups needed = (3 cups / 12 cookies) × 30 cookies = 7.5 cups.

A recipe requires 3 cups of flour for 12 cookies. How many cups are needed for 30 cookies?

A recipe requires 3 cups of flour for 12 cookies. How many cups are needed for 30 cookies?

Step 1: Identify how many cups of flour are needed for 12 cookies. The recipe says 3 cups of flour.
Step 2: Determine how many cookies you want to make. In this case, you want to make 30 cookies.
Step 3: Set up a ratio to find out how many cups of flour are needed for 1 cookie. Divide the cups of flour by the number of cookies: 3 cups / 12 cookies = 0.25 cups per cookie.
Step 4: Multiply the amount of flour needed for 1 cookie by the number of cookies you want to make: 0.25 cups per cookie × 30 cookies = 7.5 cups.
Step 5: Conclude that you need 7.5 cups of flour to make 30 cookies.

Proportional Relationships – Understanding how to set up and solve proportions based on given quantities.
Unit Rate Calculation – Calculating the amount of an ingredient needed per cookie and scaling it up.