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Question
primary 5 | Maths
| Rate & Ratio
One Answer Below
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Date Posted: 4 years ago
Views: 265
4fb: u
3fb: 40 - u
2 x (40 - u) + 2.5 x u = 86.5
u = 6.5/0.5 = 13
total no. of fb = 13x4 + 27x3 = 133
3fb: 40 - u
2 x (40 - u) + 2.5 x u = 86.5
u = 6.5/0.5 = 13
total no. of fb = 13x4 + 27x3 = 133
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Date Posted:
4 years ago
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