On a cross-country trip, a car uses 5 gallons of gas for every 140 miles it travels. How many gallons of gas does the car use if it travels 2802 miles? How far can the car travel if it uses 20 gallons of gas?

Question

On a​ cross-country trip, a car uses  5 gallons of gas for every 140 miles it travels. How many gallons of gas does the car use if it travels 2802 ​miles? How far can the car travel if it uses 20  gallons of​ gas?

PsyDAG · Answer

5/140 = x/2802 Solve for x. 140/5 = x/20 Also, solve for x.

On a​ cross-country trip, a car uses 5 gallons of gas for every 140 miles it travels. How many gallons of gas does the car use if it travels 2802 ​miles? How far can the car travel if it uses 20 gallons of​ gas?

On a cross-country trip, a car uses 5 gallons of gas for every 140 miles it travels. How many gallons of gas does the car use if it travels 2802 miles? How far can the car travel if it uses 20 gallons of gas?