Question
Zane had 30% as many stamps as Luis. After Zane and Luis bought another 90 stamps and 40 stamps respectively, Zane had 60% more stamps than Luis. How many stamps did Zane have at first?
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Zane had 30% as many stamps as Luis. After Zane and Luis bought another 90 stamps and 40 stamps respectively, Zane had 60% more stamps than Luis. How many stamps did Zane have at first?