Yeo Hui Shan, Evon's answer to Quraisha Mk's Primary 6 Maths question.

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Yeo Hui Shan, Evon
Yeo Hui Shan, Evon's answer
9 answers (Tutor Details)
1st
Part thereof means anything between 0 to 10g. After the first 20g, every 10g or part thereof is 25 cents per unit. So the solution is as above