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primary 6 | Maths
| Percentage
2 Answers Below
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Date Posted: 2 years ago
Views: 474
(a)
$0.50 - $0.20 = $0.30
(38+350)×$0.20 - $20 = $57.60
$57.60 ÷ $0.30 = 192 (Ans)
(b)
left # of 50¢ → 100% - 25% = 75% = ¾
¾ × 192×$0.50 ÷ $0.20 = 360
192+38+350+360 = 940 (Ans)
$0.50 - $0.20 = $0.30
(38+350)×$0.20 - $20 = $57.60
$57.60 ÷ $0.30 = 192 (Ans)
(b)
left # of 50¢ → 100% - 25% = 75% = ¾
¾ × 192×$0.50 ÷ $0.20 = 360
192+38+350+360 = 940 (Ans)
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Date Posted:
2 years ago
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