Question

At the We-Pack Shipping, the workers can unload 28 trucks in 7 hours. Which of the following is a correct unit rate for this situation?

A: 1 truck per hour

B: 4 hours per truck

C: 1 over 4. of a truck per hour

D: 1 over 4. of an hour per truck

Answer 1

D

Explanation:

1 over 4. of an hour per truck

Answer 2

28 trucks/7 hours=4 trucks/1 hour.
Therefore A.) and B.) are incorrect.
The wording of these last two answers confusesme but I believe the correct one is D.) because 1 hour (per-/) 4 trucks.

Hope this helps!