Answer:
4 cones
Step-by-step explanation:
According to the industries standard in traffic services, workers are not expected to carry more than 40 lbs worth of cones at a time.
The maximum number of 10-pound cones that should be carried at a time could be determined thus:
40/10 = 4 Cones
The maximum number of 10-pound cones to be carried at one time is 4.