In general, there are 1.25 cups in 10 ounces; however it may differ slightly depending on whether you're referring to dry or liquid measurements.
10 cups
0.625 cups, or 5/8 cups.
1.25 cups = 10 oz.
1.25 cups is the answer to your question.
10 gallons is 160 cups @16 cups per gallon.
20 cups
20 cups
That is 40 cups
It is 10 cups.
40 cups
There are 1.25 cups in 10 fl oz.
41 cups is bigger than 10 quarts = 40 cups