Answer:
Sam can take both refrigerators on the elevator in one trip.
Explanation:
We are given the following in the question:
Number of refrigerators to be delivered = 2
Weight of 1 refrigerator = 105 kg
Weight of 2 refrigerator =

Relation:
1 kg = 2.20462 pounds
Converting weight of refrigerators into pounds =

Weight limit of elevator = 1,000 pounds
Thus, the weight of the two refrigerator does not exceed the weight limit of elevator.
So, Sam can take both refrigerators on the elevator in one trip.