Question

Please help this is in my test tomorrow♡

Tom earned 50 points in a video game. He lost 40 pointsm earned 87 points, then lost 30 more poinys. Write and evaluate an expression to find his final score in the video game.

Answer 1

67

Explanation:

50-40+87-30

=50+(- 40)+87(-30)

=50+87+(-40)+(-30)

=(50+87+(-40)+(-30)

=137+(-70)

=67

when he wins, we add points. When he loses ,we subtract points.The score is 50 points. We right an expression to find the final score