Ping pong balls sell for $.10 each. Johnny buys 10000 for a prank. He gets a 30% discount for buying in such large bulk. How much does he pay?
Reason slowly and give your answer.
700
The ping pong balls cost 10000 *.

10 = $1000.

So the discount is 1000 *.

30 = $300.

So he pays 1000 - 300 = $700.

.

The answer: 700