Seudónimo Seudónimo 30-01-2017 Mathematics contestada 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