How much will gas cost to travel 875 miles and you get 20 miles per gallon?

To calculate the cost of gas for a trip of 875 miles with a fuel efficiency of 20 miles per gallon, first determine the total gallons needed: 875 miles ÷ 20 miles per gallon = 43.75 gallons. Then, multiply the total gallons by the current gas price per gallon. For example, if gas costs $3 per gallon, the total cost would be 43.75 gallons × $3 = $131.25.