Respuesta :

Answer: So, By 48% cost price is marked up.

Explanation:

Since we have given that

Selling price of gaming cards = 9.99 per card

Cost price of gaming cards = 6.75 per card

Percentage that mark up the cost price by

[tex]\frac{9.99-6.75}{6.75}\times 100\\\\\frac{3.24}{6.75}\times 100\\\\=\frac{324}{6.75}\\\\=48\%[/tex]

So, By 48% cost price is marked up.