A quiz has thirty questions whose answers can only be correct or incorrect.A correct answer scores 8 points, but 3 points are deducted for every incorrect answer. Gina did the quiz and scored a total of 152 points. How many questions did she get correct?
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for correct = 8 marks
for incorrect = (-3)
total number of question = 30 (30×8=240)
Gina scored 152 points
her correct answer = ?
for incorrect = (-3)
total number of question = 30 (30×8=240)
Gina scored 152 points
her correct answer = ?
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