PSLE Math 2017 Paper 2 Question 10
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(Jess's Number of Ribbon Rolls Question)
PSLE Math 2017 Paper 2 Question 10
Ans: 10 rolls
25m = 2500cm
1 roll → 2500cm ÷ 110cm = 22R 80cm (22 pieces + 80cm remaining)
No. of rolls → 200 ÷ 22 = 9R2 ≈ 10
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