Question 307016
the chungs went on vacation and used a total of 435 gal of gas. they used 30 gal more than 2 times as much gas to get to their destination as to get home.  How much gas did they use to get home?

let them use x gallons to go home

To teach the destination they used 2x+30 gallons

Total used = 430 gallons

2x+30 = 430

2x=400
x=100 gallons was used to go home