Answer: [tex]\bold{\dfrac{3}{52}}=5.8\%[/tex]
Step-by-step explanation:
[tex]\dfrac{\text{\# of "8 of hearts"}}{\text{total number of cards}}\ or\ \dfrac{\text{\# of "9 of hearts"}}{\text{total number of cards}}\ or\ \dfrac{\text{\# of "10 of hearts"}}{\text{total number of cards}}\\\\\\\rightarrow \quad \dfrac{1}{52}+\dfrac{1}{52}+\dfrac{1}{52}\quad =\quad \large\boxed{\dfrac{3}{52}}[/tex]