SOLUTION: In a televised quiz show, one wins 250 points for a correct answer, but looses 150 points for an incorrect answer. One contestant replied to 15 questions and obtained 2150 points.

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Question 297629: In a televised quiz show, one wins 250 points for a correct answer, but looses 150
points for an incorrect answer. One contestant replied to 15 questions and obtained 2150 points. How many correct answers did she give?
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
c+w=15
250c-150w=2150
c=11 w=4
11 correct answers