Question
Billy had 30% as many beads as Justin. After Billy and Justin bought another 12 beads and 10 beads respectively, Billy had 60% less beads than Justin. How many beads did Justin have at first?
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Billy had 30% as many beads as Justin. After Billy and Justin bought another 12 beads and 10 beads respectively, Billy had 60% less beads than Justin. How many beads did Justin have at first?