Question
Bobby had 10% as many beads as Tommy. After Bobby and Tommy bought another 10 beads and 5 beads respectively, Bobby had 80% less beads than Tommy. How many beads did Tommy have at first?
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Bobby had 10% as many beads as Tommy. After Bobby and Tommy bought another 10 beads and 5 beads respectively, Bobby had 80% less beads than Tommy. How many beads did Tommy have at first?