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secondary 4 | E Maths
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felicia
Felicia

secondary 4 chevron_right E Maths chevron_right Singapore

help please. i can’t understand.
the ans is 18

Date Posted: 5 years ago
Views: 278
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Sin Yee
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Chua Tze Ren
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Hi, hope this helps! For this question, it is important to understand HOW the inequality is formed (on the left hand side, is Shirley's total score, the score she gets for her correct answers minus the score she is deducted for wrong answers while the right side is her score, 66 marks or less)