AC Lim's answer to Aditi's Primary 6 Maths Measurement Singapore question.
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25m=2500cm
110cm —->1 pc
2500cm = 2500/110= 22.72727273
Only can get 22 pieces.
200/22= 9.090909091
9 roll can get =9x22=198 pieces.
Therefore need another roll.
Total at least need 10 rolls for 200 pieces.
Hope this helps
110cm —->1 pc
2500cm = 2500/110= 22.72727273
Only can get 22 pieces.
200/22= 9.090909091
9 roll can get =9x22=198 pieces.
Therefore need another roll.
Total at least need 10 rolls for 200 pieces.
Hope this helps
Date Posted:
5 years ago
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