Question
Neave has some gold and grey beads. The total mass of all his beads is 205 g. He has 9 more grey beads than gold beads. The average mass of the gold beads is 9 g. The average mass of the grey beads is 13 g. How many beads does Neave have altogether?
3 m

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Neave has some gold and grey beads. The total mass of all his beads is 205 g. He has 9 more grey beads than gold beads. The average mass of the gold beads is 9 g. The average mass of the grey beads is 13 g. How many beads does Neave have altogether?