A car gets 40 kilometers per gallon of gasoline. How many gallons of gasoline would the car need to travel 160 kilometers? Choose the correct choice from the following
A) 8 gallons  B) 4 gallons  C) 6 gallons  D) 5.5 gallons  E) 10 gallons

Rationale: "each 40 kilometers , 1 gallon is needed . we need to know how many 40 kilometers are there in 160 kilometers ? 160 / 40 = 4 * 1 gallon = 4 gallons correct answer b"
Answer: B