Question
Xandra had 37 more pearls than Gem at first. After Xandra bought another 15 pearls, she had thrice as many pearls as Gem. How many pearls did Xandra have at first?
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Xandra had 37 more pearls than Gem at first. After Xandra bought another 15 pearls, she had thrice as many pearls as Gem. How many pearls did Xandra have at first?