James decides to sell 80% of his toys. He bought them for $20 each and sells them for $30 each. If he had 200 toys how much more money did he have compared to before he bought them?
Please answer and provide answer explanation.
800
He bought all the toys for 20 * 200 = $4000.

He sold 200 *.

8 = 160 toys.

He made 160 * 30 = $4800 from selling them.

So he profits 4800 - 4000 = $800 profit.

.

The answer is 800