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Caroline bought 20 shares of stock at [tex]$10\frac{1}{2}$[/tex], and after 10 months the value of the stocks was [tex]$11\frac{1}{4}$[/tex]. If Caroline were to sell all her shares of this stock, how much profit would she make?

A. [tex]$\$[/tex]210[tex]$

B. $[/tex]\[tex]$15$[/tex]

C. [tex]$\$[/tex]10[tex]$

D. $[/tex]\[tex]$225$[/tex]


Sagot :

Sure, let's break this down step-by-step to find out how much profit Caroline would make if she sold all her shares.

1. Determine the initial price per share:
Caroline bought the shares at [tex]$10 \frac{1}{2}$[/tex], which can be written as a decimal:
[tex]\[ 10 \frac{1}{2} = 10 + \frac{1}{2} = 10.5 \, \text{dollars per share} \][/tex]

2. Determine the number of shares purchased:
Caroline bought 20 shares.

3. Calculate the initial value of the shares:
The initial value is the price per share multiplied by the number of shares:
[tex]\[ \text{Initial Value} = 20 \times 10.5 = 210 \, \text{dollars} \][/tex]

4. Determine the final price per share:
After 10 months, the value of the stocks was [tex]$11 \frac{1}{4}$[/tex], which can be written as a decimal:
[tex]\[ 11 \frac{1}{4} = 11 + \frac{1}{4} = 11.25 \, \text{dollars per share} \][/tex]

5. Calculate the final value of the shares:
The final value is the final price per share multiplied by the number of shares:
[tex]\[ \text{Final Value} = 20 \times 11.25 = 225 \, \text{dollars} \][/tex]

6. Calculate the profit:
The profit is the final value of the shares minus the initial value of the shares:
[tex]\[ \text{Profit} = \text{Final Value} - \text{Initial Value} = 225 - 210 = 15 \, \text{dollars} \][/tex]

Therefore, Caroline would make a profit of [tex]\( \$15 \)[/tex] if she sold all her shares.

The correct answer is:
B. \$ 15