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Question

A freight elevator is holding 15,893 pounds of merchandise stored in containers. Another container weighing 3,473 pounds is placed on the elevator. Then a container weighing 5,492 pounds is taken off the elevator.

Let w represent the weight that the elevator is holding.

Which equation could be used to solve for the the amount of weight the freight elevator is holding after the container is taken off of it?

1. w=15,893−3,473−5,492
2. w = 15,893 + 3,473 + 5,492
3. w=15,893−3,473+5,492
4. w=15,893+3,473−5,492

Answer 1

your last choice is correct

take the original weight, add the weight of another container placed on the elevator, then subtract the weight of a container removed from the elevator

w = 15,893 + 3,473 - 5,492

final weight = 13,874 pounds left after putting one container in and taking the other out