SOLUTION: in a math contest, each team is asked 50 questions. The teams earn 15 points for each correct answer and lose 8 points for each wrong answer. One team finished with a score of 566
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Question 586177: in a math contest, each team is asked 50 questions. The teams earn 15 points for each correct answer and lose 8 points for each wrong answer. One team finished with a score of 566 points. How many questions did the team answer correcty
Answer by edjones(8007) (Show Source): You can put this solution on YOUR website!
Let c=the number of correct answers and 50-c=number of incorrect answers.
15c-8(50-c)=566
15c-400+8c=566
23c=966
c=42
.
Ed
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