Question

A car can travel 476 miles on 14 gallons of gas. Write an equation relating the distance d to the number of gallons g. How many gallons of gas does this car need to travel 578 miles?

Answer 1

476 miles ... 14 gallons of gas
578 miles ... g gallons = ?

If you would like to know how many gallons of gas this car needs to travel 578 miles, you can calculate this using the following steps:

476 * g = 14 * 578    /476
g = 14 * 578 / 476
g = 17 gallons of gas

Result: This car needs 17 gallons of gas to travel 578 miles.