Answer:
because there are 8 fluid ounces in a cup
Explanation:
1/8 of cup = 0.125 cup = 1 fluid ounce
2/8 of cup = 0.25 cup = 2 fluid ounce
3/8 of cup = 0.375 cup = 3 fluid ounce
4/8 of cup = 0.5 cup = 4 fluid ounce
5/8 of cup = 0.625 cup = 5 fluid ounce
6/8 of cup = 0.75 cup = 6 fluid ounce
7/8 of cup = 0.875 cup = 7 fluid ounce
8/8 of cup = 1 cup = 8 fluid ounce
hope i helped