Question
Riordan has seven times as many beads as Andy. Andy has 20 less beads than Luke. The three of them have 164 beads altogether. How many beads does Riordan have?
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Riordan has seven times as many beads as Andy. Andy has 20 less beads than Luke. The three of them have 164 beads altogether. How many beads does Riordan have?