Ben's new car cost twice as much as his old car. He sold his old car for $1800 and used that to pay off some of the cost of his new car. He still owes another $2000 on his new car. How much did his old car cost, in dollars?
Ben's new car cost twice as much as his old car. He sold his old car for $[AMOUNT] and used that to pay off some of the cost of his new car. He still owes another $[AMOUNT] on his new car. How much did his old car cost, in dollars?
His new car costs 1800+2000=<<1800+2000=3800>>3800 dollars.
His old car cost 3800/2=<<3800/2=1900>>1900 dollars.
#### 1900