Question
PSLE
The mass of a container with 42 identical beads is 847 g. When 30 of the beads are thrown away, the mass of the container with the remaining beads is 397 g. What is the mass of each bead?
2 m

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PSLE
The mass of a container with 42 identical beads is 847 g. When 30 of the beads are thrown away, the mass of the container with the remaining beads is 397 g. What is the mass of each bead?