Answer: [tex]\dfrac{5}{12}[/tex]
Step-by-step explanation: To determine what part of 24 hours 10 hours is, we can divide 10 by 24 and simplify:
[tex]\dfrac{10}{24}[/tex] ⇒ [tex]\dfrac{5}{12}[/tex]
Therefore, 10 hours is 5/12 of 24 hours.