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Question
primary 6 | Maths
| Ratio
2 Answers Below
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Pls use the method Teachers taught thx!
Date Posted: 2 years ago
Views: 358
concept → difference unchanged
method → ratio
3-yr ago
L:D : L-D = 3:1:2 = 9 : 3 : 6
now
L:D : L-D = 5:2:3 = 10 : 4 : 6
change → 10-9 = 4-3 = 1 unit → 3 yrs
now 【L】
10×3 = 30 (Ans)
method → ratio
3-yr ago
L:D : L-D = 3:1:2 = 9 : 3 : 6
now
L:D : L-D = 5:2:3 = 10 : 4 : 6
change → 10-9 = 4-3 = 1 unit → 3 yrs
now 【L】
10×3 = 30 (Ans)
See 2 Answers
done
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clear
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This is just to show you how to think for this kind of questions because I can't explain to you from here.
Date Posted:
2 years ago
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