Question
Glen has some silver and gold beads. The total mass of all his beads is 180 g. He has 8 less silver beads than gold beads. The average mass of the silver beads is 9 g. The average mass of the gold beads is 12 g. How many beads does Glen have altogether?
3 m

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Glen has some silver and gold beads. The total mass of all his beads is 180 g. He has 8 less silver beads than gold beads. The average mass of the silver beads is 9 g. The average mass of the gold beads is 12 g. How many beads does Glen have altogether?