How many feet per fluid ounce is 40 miles to the gallon?

To convert 40 miles per gallon to feet per fluid ounce, first, note that there are 5280 feet in a mile and 128 fluid ounces in a gallon. Therefore, 40 miles is equivalent to 40 × 5280 = 211,200 feet. Then, divide that by 128 fluid ounces: 211,200 feet ÷ 128 fluid ounces = 1,650 feet per fluid ounce. Thus, 40 miles per gallon equals 1,650 feet per fluid ounce.