Question
Billy had 30% as many stamps as Fabian. After Billy and Fabian bought another 7 stamps and 5 stamps respectively, Billy had 60% less stamps than Fabian. How many stamps did Fabian have at first?
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Billy had 30% as many stamps as Fabian. After Billy and Fabian bought another 7 stamps and 5 stamps respectively, Billy had 60% less stamps than Fabian. How many stamps did Fabian have at first?