HELP ME PLEASE AND QUICK IM CRYINGGGG 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? (4 points)

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