The amount of juice purchased is 256 fluid ounces . The cost of juice per fluid ounce is $0.11
Using the parameters given ;
- Amount of gallons purchased = 2 gallons
- Cost of 2 gallons = $28.16
1 gallon = (4 × 2 × 2 × 8) = 128 fluid ounces
2 gallons = 2 × 128 = 256 fluid ounces
The cost per fluid ounce can be calculated thus ;
256 fluid ounces = 28.16
1 fluid ounce = x
256x = 28.16 * 1
x = 28.16 / 256
x = $0.11
The cost of juice per fluid ounce is $0.11