Question

The price of a company's stock increases from $\$32$ per share to $\$40$ per share in a three-day period. By what percent did the stock's price increase?

• A. $20\%$
• B. $25\%$
• C. $45\%$
• D. $70\%$
• E. $80\%$

Answer 1

The correct option is B $25\%$

Percentage of increase in stock's price $=\frac{NewPrice-OldPrice}{OldPrice}\times 100$

$=\frac{40-32}{32}\times 100$

$=25$ $\%$