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Question
primary 6 | Maths
| Ratio
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Plz help me to do this sum
Date Posted: 1 year ago
Views: 302
18-8 = 10
(10×$0.20 - $1.40)÷($0.50-$0.20) = 2
10+2 = 12
12+8 = 20
at first
20¢ → 12
50¢ → 20
50 × $0.50= $25
12 × $0.2 = $2.40
$25 ÷ ($25+$2.40) × 100% ≈ 91% (Ans)
(10×$0.20 - $1.40)÷($0.50-$0.20) = 2
10+2 = 12
12+8 = 20
at first
20¢ → 12
50¢ → 20
50 × $0.50= $25
12 × $0.2 = $2.40
$25 ÷ ($25+$2.40) × 100% ≈ 91% (Ans)
Thank you so much
welm
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Date Posted:
1 year ago
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