Homework Help: ALGEBRA

Posted by susana on Sunday, May 27, 2012 at 8:06am.

In a math contest each team is asked 50 questions. The team earns 15 points for each correct answer and loses 8 for each incorrect answer. One team finished with 566 points. How many questions id the team answer correctly?

ALGEBRA - Reiny, Sunday, May 27, 2012 at 8:26am
correct answers --- x
wrong answers ---- 50-x

15x - 8(50-x) = 566

solve for x

(I got x = 42)

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