2.2.PS-16 Question Help
Challenge Schools A and B are competing in an academic contest. Correct answers earn 10
points. Incorrect answers lose 5 points. In the final round, School A gives the same number of
correct and incorrect answers. School B gives no incorrect answers and the same number of correct
answers as School A. School A started the final round with 150 points. School B started with 80. The
game ends with the two schools tied. Let x represent the number of correct answers given by
School A in the final round. Write an equation that models the outcome of the contest. Then find the
number of answers that each school got correct in the final round.
Which equation models the scoring in the final round and the outcome of the contest?
CE
OA. 10x - 5x - 150 = 10x + 80
OB. 10x - 5x + 150 = 10x + 80
OC. 10x + 5x - 150 = - 10x + 80
OD. 5x - 10x + 150 = 10x + 80
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