MADHUCHHANDA's answer to Potato's Primary 5 Maths Whole Numbers Singapore question.

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MADHUCHHANDA
Madhuchhanda's answer
16 answers (Tutor Details)
1000g - 1kg
400g - 400/1000kg = 2/5 kg

Now , 1kg = $ 22.50
So, 2/5 kg = 22.50 * 2/5 = $ 9. (Ans)