Asked by Alex
A test in Science is scored the following way: each correct answer earns 10 points
while each wrong answer earns one point less. In a 30-item test, Rafael got 23 correct
answers and 7 wrong answers. What was his score?
while each wrong answer earns one point less. In a 30-item test, Rafael got 23 correct
answers and 7 wrong answers. What was his score?
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