Question
Mr Lin had 390 kg of rice flour. He sold 21 kg of it and packed the remaining rice flour into packets of 5 kg each.
  1. How many of such packets did he get?
  2. How much rice flour was left over?
4 m
(a)

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(b)

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Mr Lin had 390 kg of rice flour. He sold 21 kg of it and packed the remaining rice flour into packets of 5 kg each.
  1. How many of such packets did he get?
  2. How much rice flour was left over?