Question
Xavier has some white and red beads. The total mass of all his beads is 226 g. He has 10 more red beads than white beads. The average mass of the white beads is 5 g. The average mass of the red beads is 7 g. How many beads does Xavier have altogether?
3 m

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Xavier has some white and red beads. The total mass of all his beads is 226 g. He has 10 more red beads than white beads. The average mass of the white beads is 5 g. The average mass of the red beads is 7 g. How many beads does Xavier have altogether?