Which question is best modeled with a division expression? How far can you travel using Three-fourths gallon of gas in a car that gets 18 miles per gallon?
How far can you travel in a car driving at an average rate of 52 miles per hour for Three-fourths hour?
How fast are you driving, in miles per hour, if you travel 18 miles in Three-fourths hour?
How fast are you driving if you travel at Three-fourths the speed of a car moving at 52 miles per hour?