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?

Explanation

The stock first increases by 10% => Each share value is added with \(\$10\), which is equal to \(\$110 \) per share.

Then, the price decreases by %10 of \(\$110 \) which is equal to \(\$11\). So, the sale price is \(\$110-\$11 = \$99\) per share.

Therefore, the sale price for 50 shares was \(99 \times \$50 = \$4950\)

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