At the u-pack shipping, the workers can unload 24 trucks in 8 hours. which of the following is a correct unit rate for this situation?

1 over 3. of a truck per hour
1 over 3. of an hour per truck
3 hours per truck
1 truck per hour

my answer got deleted but it's a

step-by-step explanation:

or

step-by-step explanation:

we need to solve for 'x' the following equation:  

we have that:

⇒

⇒ ⇒

factorizing, we get that:

  ⇒

then, the solutions are: or

nothing extraneous has been found!