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In which story is the answer to the question $0$ ? $\newline$ Choices: $\newline$ (A) Zeke was flying a drone at the park. He flew the drone $8$ feet above the ground. Then, his sister took the remote control from his hands and the drone fell $8$ feet below where Zeke was flying it before. How many feet above the ground was the drone in the end? $\newline$ (B) Zeke was flying a drone at the park. He flew the drone $8$ feet above the ground. He wanted to test how high it could go, so he flew the drone $8$ feet higher than where he was flying it before. How many feet above the ground was the drone in the end?

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Quantities that combine to zero: word problems

Full solution

Q. In which story is the answer to the question

0

?

\newline

Choices:

\newline

(A) Zeke was flying a drone at the park. He flew the drone

8

feet above the ground. Then, his sister took the remote control from his hands and the drone fell

8

feet below where Zeke was flying it before. How many feet above the ground was the drone in the end?

\newline

(B) Zeke was flying a drone at the park. He flew the drone

8

feet above the ground. He wanted to test how high it could go, so he flew the drone

8

feet higher than where he was flying it before. How many feet above the ground was the drone in the end?

Solve for Story (A): Step $1$ : Solve for story (A). Zeke flew the drone $8$ feet above the ground, then it fell $8$ feet from that height. Calculation: $8$ feet $-$ $8$ feet $=$ $0$ feet.
Solve for Story (B): Step $2$ : Solve for story (B). Zeke initially flew the drone $8$ feet above the ground and then increased its height by another $8$ feet. Calculation: $8$ feet $+$ $8$ feet $=$ $16$ feet.
Determine Answer Comparison: Step $3$ : Determine which story's question results in an answer of $0$ . From Step $1$ , the drone ends up $0$ feet above the ground in story (A). In story (B), the drone is $16$ feet above the ground.

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