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Question
Answer
Khong Pek Mao
This is a Proportion question.
First shirt
100u = 35
90u = 90/100 × 35 = 31.50
Second shirt
100u = 35 + 78.75 = 113.75
77 – 31.50 = 45.50
(113.75 – 45.5)/ 113.75 × 100% = 60% discount