SOLUTION: There are 126 questions on a college entrance examination. Two points are awarded for each correct answer, and one third of a point is deducted for each incorrect answer. How many

SOLUTION: There are 126 questions on a college entrance examination. Two points are awarded for each correct answer, and one third of a point is deducted for each incorrect answer. How many

Algebra.Com

Question 905985: There are 126 questions on a college entrance examination. Two points are awarded for each correct answer, and one third of a point is deducted for each incorrect answer. How many questions does Tami need to answer correctly in order to score 217 points on the test? Assume that she answers every question.
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
c+w=126,
2c-w/3=217
c=111., w=15.
check
(2*111)-15/3=217
ok
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