Jai played a game on the number line using a token. He began the game with the token at 0 as shown below. He moved the token from 0 to -9 and then to 10.
Which of the following number sentences correctly represents the OVERALL movement of the token?
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The question is:
Jai played a game on the number line using a token. He began the game with the token at O as shown below. He moved the token from 0 to -9 and then to 10.
Which of the following number sentence correctly represents the OVERALL movement of the token?
A. (-9) + 10
B. (-9) - 0
C. (-9) + 20
D. (-9) + 19
The correct option is A, i.e., (-9) + 10.
Given:
Beginning point= 0
To find:
The representation of overall movement of the token.
Solution:
Firstly, he moved the token from 0 to -9.
So, the token is at -9.
Now, the token is moved to 10.
We can say that in overall the token was moved from -9 to 10.
Thus, the representation of overall movement of the token will be (-9) + 10.
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