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primary 6 | Maths
| Fractions
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B
Date Posted: 2 years ago
Views: 492
【make numerator same】
(a)
⅔ B = ⅚ G ⇨ ¹⁰⁄₁₅ B = ¹⁰⁄₁₂ G
C = B + G = 15+12 = 27
A : C = 1:3 = 9:27
# total ratio →
A:B:G = 9 : 15 : 12 = 3 : 5 : 4
# each cookies ratio →
A:B:G = 9 : 6 : 3 = 3 : 2 : 1
# total cookies ratio →
A:B : B-A : G : T = 9 : 10 : 1 : 4 : 23
B-A : T = 1 : 23 = 1440 : 33120
T = A+B+G = 23×1440 = 33120 (Ans)
(b)
B-A : G = 1 : 4 = 1440 : 5760
5760÷3 = 1920 (Ans)
(a)
⅔ B = ⅚ G ⇨ ¹⁰⁄₁₅ B = ¹⁰⁄₁₂ G
C = B + G = 15+12 = 27
A : C = 1:3 = 9:27
# total ratio →
A:B:G = 9 : 15 : 12 = 3 : 5 : 4
# each cookies ratio →
A:B:G = 9 : 6 : 3 = 3 : 2 : 1
# total cookies ratio →
A:B : B-A : G : T = 9 : 10 : 1 : 4 : 23
B-A : T = 1 : 23 = 1440 : 33120
T = A+B+G = 23×1440 = 33120 (Ans)
(b)
B-A : G = 1 : 4 = 1440 : 5760
5760÷3 = 1920 (Ans)
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Date Posted:
2 years ago
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