# A couple travels 420 miles to drop their daughter off at summer camp. The trip back has a short cut and is only 360 miles, and the gas mileage is 50% better due to a lighter load. How do you write an equation for the total gas used, and simplify?

##### 1 Answer

Aug 2, 2018

Call the gas used on the way **to** camp '

Then the fuel used on the way back will be

We need to add this to the '

Total fuel used: