Agnes Tung's answer to Joey lim's Primary 5 Maths Whole Numbers Singapore question.
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Weight of 40 marbles = 1.55 - 0.95 = 0.6 kg
Weight of 1 marble = 0.6/40 = 0.015 kg
Weight of 10 marbles = 0.015*10 = 0.15 kg
Weight of empty bag = 0.95-0.15 = 0.8 kg
Weight of 1 marble = 0.6/40 = 0.015 kg
Weight of 10 marbles = 0.015*10 = 0.15 kg
Weight of empty bag = 0.95-0.15 = 0.8 kg
Date Posted:
4 years ago
Thank you very much
Thank you very much