Xander’s new truck can travel 315 miles using 20 gallons of gas. At this rate, how many miles can Xander travel using seven gallons of gas

To find how many miles Xander can travel using seven gallons of gas, we can set up a proportion:

315 miles / 20 gallons = x miles / 7 gallons.

Cross-multiplying, we have:

20 * x miles = 315 * 7 gallons.

Simplifying, we have:

20x miles = 2205 gallons.

Dividing both sides by 20, we find:

x = 110.25 miles.

Therefore, Xander can travel 110.25 miles using seven gallons of gas.