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Question
Answer
Khong Pek Mao
This is a Before After question.
| Before | Sold | After | ||
| Apple | 30u + 20 | -24u – 16 | 6u + 4 | |
| Mango | 30u | -10u | 20u | |
| yam | 30u + 35 | 30u + 35 | ||
| Total | -34u – 16 | 56u + 39 |
56u + 39 = 123
56u = 123 – 39 = 84
34u = 34/ 56 × 84 = 51
51 + 16 = 67 sold