Answer: the car will travel 336 miles on 16 gallons of gas
Step-by-step explanation:
Gas mileage is the number of miles that Zach's car can travel per gallon of gasoline. Zachs car travels 21 miles per hour on 1 gallon of gas. This means that the mileage of the car is 21 miles per gallon
Let the distance which Zach's car travels be x miles.
An equation to represent the relationship between the gas Zach's car uses and the distance that he travels would be
x = mileage of the car × number of gallons, n
x = 21n
If it uses 16 gallons of gas, the distance travelled would be x
x = 21 × 16 = 336 miles
