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arissahyp73x7x
arissahyp73x7x
27.09.2019 • 
Mathematics

8. in a math olympiad quiz, 5 points are awarded
for a correct answer and 2 points are deducted for a wrong answer or if a question is left unanswered.
shirley attempted all 30 questions and her total score for the quiz was not more than 66. find the maximum number of correct answers she obtained.

9.ethan opened his piggy bank to find 50 pieces of
$5 and $2 notes. if the total value of all the notes
is more than $132, find the minimum number of
$5 notes he has.

someone me , and solve in a linear ineaquality method.

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