Question
PSLE
The mass of a container with 63 identical beads is 810 g. When 20 of the beads are thrown away, the mass of the container with the remaining beads is 550 g. What is the mass of each bead?
2 m

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PSLE
The mass of a container with 63 identical beads is 810 g. When 20 of the beads are thrown away, the mass of the container with the remaining beads is 550 g. What is the mass of each bead?