If your car gets 31 miles per gallon, how much does it cost to drive 420 miles when gasoline costs $3.40 per gallon

Total Cost in Dollars: $46.07

Step-by-step explanation:

Step 1: Calculate total number of gallons needed:

If car get 31 miles/gallon, it will need 420/31 gallons in total, which is 13.55 gallons.

Step 2: Since 1 gallon costs $3.40, the cost of trip will be total number of gallons multiplied by cost of 1 gallon.

Answer: 13.55 * 3.40 = $46.07