Assuming you are talking about US fluid ounces, there are 128 fluid ounces in one gallon, and 40% of this is 51.2 ounces.
16 ounces = one eighth (1/8) of a gallon.
There are 128 ounces in a gallon.
There are 128 ounces in a gallon.
Yes, sixty-four ounces is equal to one-half gallon, not a full gallon. There are 128 ounces in a gallon.
One US gallon is 128 fluid ounces.
There are 128 fluid ounces in one gallon.
You would need 30 ounces of concentrate to make 30 gallons of liquid if one ounce of concentrate is needed to make one gallon.
There are 128 ounces in one gallon.
There are 128 fluid ounces of any liquid in one gallon.
That is 192 ounces
1 US gallon = 128 fluid ounces