The final score in the video game is 67.
Step-by-step explanation:
Points earned = 50 points, 87 points
Points lost = 40 points, 30 points
Let,
Plus sign (+) represent the points earned.
Negative sign (-) represent the points lost.
Therefore,
Points earned = +50, +70
Points lost = -40, -30
Adding all the points to get final score;
Final score = 50+(-40)+87+(-30)
[tex]Final\ score=50-40+87-30\\Final\ score = 137-70\\Final\ score=67[/tex]
The final score in the video game is 67.
Keywords: integers, subtraction
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