Question
PSLE
The mass of a box with 41 identical beads is 870 g. When 22 of the beads are sold, the mass of the box with the remaining beads is 430 g. What is the mass of each bead?
2 m

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PSLE
The mass of a box with 41 identical beads is 870 g. When 22 of the beads are sold, the mass of the box with the remaining beads is 430 g. What is the mass of each bead?