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Raffles Girls 2025 P6 Maths Prelim — Paper 1 Booklet A Q12 Solution
Question
Arrange the mass from the heaviest to the lightest.
- 1. $7\frac{3}{5} \text{ kg}$, $7 \text{ kg } 95 \text{ g}$, $7.45 \text{ kg}$
- 2. $7\frac{3}{5} \text{ kg}$, $7.45 \text{ kg}$, $7 \text{ kg } 95 \text{ g}$
- 3. $7.45 \text{ kg}$, $7\frac{3}{5} \text{ kg}$, $7 \text{ kg } 95 \text{ g}$
- 4. $7 \text{ kg } 95 \text{ g}$, $7.45 \text{ kg}$, $7\frac{3}{5} \text{ kg}$
Answer: 2
Worked solution
- 7.45 \text{ kg} = 7450 \text{ g}
- 7 \text{ kg } 95 \text{ g} = 7095 \text{ g}
- 7\tfrac{3}{5} \text{ kg} = 7.6 \text{ kg} = 7600 \text{ g}
- \text{Heaviest to lightest: } 7600 \text{ g}, 7450 \text{ g}, 7095 \text{ g}
- \text{So order is } 7\tfrac{3}{5} \text{ kg}, \ 7.45 \text{ kg}, \ 7 \text{ kg } 95 \text{ g}
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