In this case the answer is very simple . .
Step 01:
Data
4 cups ===> $17.12
1 cup = ?
Step 02:
We write the relationship.
4 cups -------------- $17.12
1 cup ----------------- x
4 cups * x = $ 17.12 * 1 cup
[tex]x\text{ = }\frac{17.12\cdot1}{4}\text{ = }4.28[/tex]The answer is:
The cost of a cup would be equal to $4.28
