Fantasy-N-fun sells gaming cards for = $9.99.
The amount they pay per card = $6.75.
Let us find the difference in prices of Fantasy-N-fun sells gaming cards price and the amount they pay per card.
So, the difference is 9.99 - 6.75 = $3.24.
Now, we need to find the percent markup.
So, the percent markup would be
[tex]\frac{3.24}{9.99} \times 100[/tex]
[tex]=\frac{324}{9.99}[/tex]
[tex]=32.43[/tex]