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primary 6 | Maths | Percentage
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Date Posted: 1 week ago
Views: 31
sstrike
Sstrike
1 week ago
Ans: ↑ 6%

100% - 15% = 85%

At first
1st : 2nd : total = 100 : 85 : 185 = 80 : 68 : 148

In the end
100% - 10% = 90% = 0.9
1st ⇨ 80×0.9 = 72
2nd ⇨ 68×1.25 = 85

72+85 = 157 > 148【increased】

(157-148)÷148 × 100% ≈ 6% (Ans)

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