Answer:
yea
Step-by-step explanation:
Answer:

Step-by-step explanation:
The missing details in the question are:


Required
The perimeter
This is calculated as:

So, we have:

Open bracket

Rewrite as:

Answer:
2/7 or 3/9
3/9 is greater so the recipe with 3 cups per 9 cup requires more
Step-by-step explanation: