A recipe uses 7 cups of flour for 4 cakes. At the same rate, how many cups are needed for 12 cakes, and how many more cups are needed if the baker already has 13 cups?
Answer
21 cups are needed; 8 more cups are needed
Reasoning Strategy
Scale the recipe from 4 cakes to 12 cakes, then compare with what is already available.
AI Support Preview
Keep total needed and additional needed as two different quantities.