Zuri earned $56.80 at his job last week. They then spent $40 on a video game. 56.80+(−40)=16.80. Interpret this sum in the context of the problem.

The sum 16.80 represents the amount of money that Zuri has remaining after spending $40 on a video game.

The sum of $16.80, which is obtained by adding $56.80 and subtracting $40, represents the amount of money that Zuri had left after earning $56.80 and spending $40 on a video game.