Question
A flour shop owner bought a sack of flour. He kept 15 of the flour for his uncle and gave away some of the leftovers. He gave away 315 kg to his sister and 18 of the rest to his neighbour. He saved the remaining 4.2 kg for his own use. How much flour did he have originally?
3 m

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A flour shop owner bought a sack of flour. He kept 15 of the flour for his uncle and gave away some of the leftovers. He gave away 315 kg to his sister and 18 of the rest to his neighbour. He saved the remaining 4.2 kg for his own use. How much flour did he have originally?