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primary 6 | Maths
| Percentage
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pls help
Date Posted: 2 years ago
Views: 241
concept → excess/shortage
110u+9 = 125u-15
15u = 9+15 = 24
100u = 100×24÷15 = 160 (Ans)
Check:
160×1.1 + 9 = 185
160×1.25 - 15 = 185 ✓✓
110u+9 = 125u-15
15u = 9+15 = 24
100u = 100×24÷15 = 160 (Ans)
Check:
160×1.1 + 9 = 185
160×1.25 - 15 = 185 ✓✓
See 1 Answer
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