80 cups is 640 fluid ounces. (US)
10 cups = 80 fluid ounces
80 fluid ounces (8 fl. ounces per cup).
That is 1.25 cups.
10 cups. 8 fluid ounces=1 cup, so 80 fluid ounces*1 cup/8 fluid ounces=80/8 cups=10 cups.
10 cups is 80 fluid ounces. (US)
that is 10 cups
80 fluid ounces equates to exactly 10 US cups.
10 fluid ounces equals 1 and 1/4 cups.
That is 10 cups.
80
No, it is not.
Peanut butter is usually sold by weight (mass) not volume, so the 80 oz is not fluid ounces. But if you had a jar which was 80 fluid ounces, then there are 8 fluid ounces in 1 cup, so it would be 10 cups.