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Mathematics 11 Online
OpenStudy (anonymous):

Onatest,eachcorrectanswerscores5points, each incorrect answer scores -2 points and each question left unanswered scores 0 points. a Suppose a student answers 16 questions correctly and 3 questions incorrectly, and does not answer 1 question. Write an expression for the student’s score and find the score.

OpenStudy (kobeni-chan):

x = right answers y = wrong answers z = no answer 5x + -2y + 0z 5(16) + -2(3) + 0(1) 80 - 6 + 0 = 74

OpenStudy (anonymous):

Thanks!

OpenStudy (kobeni-chan):

np :)

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