How much to drive 3400miles 21mpg?

To calculate the cost of driving 3,400 miles at 21 miles per gallon (mpg), you first need to determine how many gallons of gas you'll need. Divide the total miles by the mpg: 3,400 miles ÷ 21 mpg = approximately 161.9 gallons. Then, multiply the number of gallons by the price per gallon of gas to get the total cost. For example, if gas costs $3 per gallon, the total cost would be about $485.70 (161.9 gallons × $3).