Use the Venn diagram to complete the contingency
1 answer:
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The inequality that represents the number of right answers (r) and wrong answers (w) Olga can give to win the contest is:
<u><em>Explanation</em></u>
Number of right answers is and number of wrong answers is
Olga earns 12 points for each right answer and loses 4 points for each wrong answer.
So, total points earned for right answers
and total points lost for wrong answers
That means, <u>her score will be</u>: points.
In order to win the quiz contest, Olga must score <u>more than 400 points</u>. So, the inequality will be.......