Question
Riordan has some green and red beads. The total mass of all his beads is 180 g. He has 6 more red beads than green beads. The average mass of the green beads is 4 g. The average mass of the red beads is 8 g. How many beads does Riordan have altogether?
3 m

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Riordan has some green and red beads. The total mass of all his beads is 180 g. He has 6 more red beads than green beads. The average mass of the green beads is 4 g. The average mass of the red beads is 8 g. How many beads does Riordan have altogether?