ALGEBRA
posted by susana on .
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?

correct answers  x
wrong answers  50x
15x  8(50x) = 566
solve for x
(I got x = 42)