Question
Mark has some purple and blue beads. The total mass of all his beads is 224 g. He has 2 less purple beads than blue beads. The average mass of the purple beads is 5 g. The average mass of the blue beads is 13 g. How many beads does Mark have altogether?
3 m

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Mark has some purple and blue beads. The total mass of all his beads is 224 g. He has 2 less purple beads than blue beads. The average mass of the purple beads is 5 g. The average mass of the blue beads is 13 g. How many beads does Mark have altogether?