Answer:
[tex]\huge\boxed{\sf 62.5 \%}[/tex]
Step-by-step explanation:
Given that,
Completed problems = 5
Total = 8
[tex]\displaystyle = \frac{completed}{total} \times 100 \%\\\\= \frac{5}{8} \times 100\%\\\\= 0.625 \times 100 \%\\\\= 62.5 \%\\\\\rule[225]{225}{2}[/tex]