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
5 lbs of sugar is 10 cups. It is also 20 half cups.
There are 1.25 cups in 10 fl oz.