Depends on what's in the cup. Ten cups of styrofoam is lighter that 10 cups of concrete.
4 cups 8 oz=1 cup
There are 1.25 cups in 10 oz.
That is 9.25 cups.
13.37500 cups
6 cups is 48 fl oz.
About 2 cups
4 cups
That is 3.5 cups.
That is 0.113 cups
15 oz is equal to approximately 1.875 cups.
That is 24 fl oz.
(576 fl oz) / (8 fl oz per cup) = 72 cups