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A contestant on a quiz show gets 150 points for every correct answer and loses 250 points for each incorrect answer. after answering 20 questions, the contestant has 200 points. how many questions has the contestant answered correctly and incorrectly?

Respuesta :

150y -250n = 200
y + n = 20

Where y represents the number of correct answers, and n represents the number of incorrect answers. You can use that information up there to solve for y and n. Do you know how to proceed from here?

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