Question #06d33 Prealgebra Ratios, Proportions, Units and Rates Unit Conversions 1 Answer Barney V. Jan 23, 2017 21.6 miles per gallon Explanation: 20 gallons = 432 miles 1 gallon = #1/20 xx 432/1# #=cancel432^108/cancel20^5# #= 108/5# #=21 3/5# #=21.6# miles per gallon check: #20 xx 21.6 = 432# miles Answer link Related questions How do you convert 73 mi/h = ____km/s? Every morning for breakfast, Mika drinks 20 cL of orange juice. How many milliliters of orange... David takes 300 milligrams of medicine every day. How many grams is this? A manufacturer ships its product in boxes with edges of 4 inches. If 12 boxes are put in a... How many feet is 15 miles? How many feet in a mile? How many meters in a mile? How many feet are in .55 miles? How many miles are in 100 feet? How do you find out how many feet are in a mile? See all questions in Unit Conversions Impact of this question 1463 views around the world You can reuse this answer Creative Commons License