Question

which proportion could you use to convert 5 cups to fluid ounces

Answer 1

The proportion that can be used to convert cups to fluid ounces is:

1 cup = 8 fluid ounces

So, to convert 5 cups to fluid ounces, you would multiply 5 by 8.

5 cups * 8 fluid ounces/1 cup = 40 fluid ounces.