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PARCC Advanced Mathematics Practice Questions

1. John buys 100 shares of stock at $100 per share. The price goes up by 10% and he sells 50 shares. Then, prices drop by 10% and he sells his remaining 50 shares. How much did he get for the last 50?

1. E: The stock first increased by 10%, that is, by $10 (10% of $100) to $110 per share. Then, the price decreased by $11 (10% of $110) so that the sale price was $110-$11 = $99 per share, and the sale price for 50 shares was 99 x $50 = $4950.

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