Question
Mark has some green and white beads. The total mass of all his beads is 233 g. He has 10 more white beads than green beads. The average mass of the green beads is 4 g. The average mass of the white beads is 9 g. How many beads does Mark have altogether?
3 m

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Mark has some green and white beads. The total mass of all his beads is 233 g. He has 10 more white beads than green beads. The average mass of the green beads is 4 g. The average mass of the white beads is 9 g. How many beads does Mark have altogether?